Home / 52,007,742.90-78,011,614.35-13,673,132.10

Finding the Fourth Proportional to 52,007,742.90, 78,011,614.35 and 13,673,132.10

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Solution

The fourth proportional to 52,007,742.90, 78,011,614.35 and 13,673,132.10 is: 20,509,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,742.90 : 78,011,614.35 = 13,673,132.10 : x
  2. Step 2: Convert to fraction form
    52,007,742.90/78,011,614.35 = 13,673,132.10/x
  3. Step 3: Cross multiply
    52,007,742.90x = 78,011,614.35 × 13,673,132.10
  4. Step 4: Simplify right side
    52,007,742.90x = 1,066,663,108,341,805.50
  5. Step 5: Solve for x
    x = 1,066,663,108,341,805.50/52,007,742.90
  6. Step 6: Final answer
    x = 20,509,698.15

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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.