Home / 8,064,712.80-12,097,069.20-5,209,365.60

Finding the Fourth Proportional to 8,064,712.80, 12,097,069.20 and 5,209,365.60

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Solution

The fourth proportional to 8,064,712.80, 12,097,069.20 and 5,209,365.60 is: 7,814,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,712.80 : 12,097,069.20 = 5,209,365.60 : x
  2. Step 2: Convert to fraction form
    8,064,712.80/12,097,069.20 = 5,209,365.60/x
  3. Step 3: Cross multiply
    8,064,712.80x = 12,097,069.20 × 5,209,365.60
  4. Step 4: Simplify right side
    8,064,712.80x = 63,018,056,151,299.51
  5. Step 5: Solve for x
    x = 63,018,056,151,299.51/8,064,712.80
  6. Step 6: Final answer
    x = 7,814,048.40

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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.