Home / 12,298,287.60-18,447,431.40-4,210,542.90

Finding the Fourth Proportional to 12,298,287.60, 18,447,431.40 and 4,210,542.90

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Solution

The fourth proportional to 12,298,287.60, 18,447,431.40 and 4,210,542.90 is: 6,315,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,287.60 : 18,447,431.40 = 4,210,542.90 : x
  2. Step 2: Convert to fraction form
    12,298,287.60/18,447,431.40 = 4,210,542.90/x
  3. Step 3: Cross multiply
    12,298,287.60x = 18,447,431.40 × 4,210,542.90
  4. Step 4: Simplify right side
    12,298,287.60x = 77,673,701,304,507.06
  5. Step 5: Solve for x
    x = 77,673,701,304,507.06/12,298,287.60
  6. Step 6: Final answer
    x = 6,315,814.35

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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.