Home / 12,455,507.60-18,683,261.40-9,936,083.60

Finding the Fourth Proportional to 12,455,507.60, 18,683,261.40 and 9,936,083.60

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Solution

The fourth proportional to 12,455,507.60, 18,683,261.40 and 9,936,083.60 is: 14,904,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,507.60 : 18,683,261.40 = 9,936,083.60 : x
  2. Step 2: Convert to fraction form
    12,455,507.60/18,683,261.40 = 9,936,083.60/x
  3. Step 3: Cross multiply
    12,455,507.60x = 18,683,261.40 × 9,936,083.60
  4. Step 4: Simplify right side
    12,455,507.60x = 185,638,447,191,053.03
  5. Step 5: Solve for x
    x = 185,638,447,191,053.03/12,455,507.60
  6. Step 6: Final answer
    x = 14,904,125.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.