Home / 36,688,057.40-55,032,086.10-20,762,809.40

Finding the Fourth Proportional to 36,688,057.40, 55,032,086.10 and 20,762,809.40

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Solution

The fourth proportional to 36,688,057.40, 55,032,086.10 and 20,762,809.40 is: 31,144,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688,057.40 : 55,032,086.10 = 20,762,809.40 : x
  2. Step 2: Convert to fraction form
    36,688,057.40/55,032,086.10 = 20,762,809.40/x
  3. Step 3: Cross multiply
    36,688,057.40x = 55,032,086.10 × 20,762,809.40
  4. Step 4: Simplify right side
    36,688,057.40x = 1,142,620,714,578,689.25
  5. Step 5: Solve for x
    x = 1,142,620,714,578,689.25/36,688,057.40
  6. Step 6: Final answer
    x = 31,144,214.10

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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.