Home / 28,975,972.86-39,970,191.96-18,092,061.18

Finding the Fourth Proportional to 28,975,972.86, 39,970,191.96 and 18,092,061.18

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Solution

The fourth proportional to 28,975,972.86, 39,970,191.96 and 18,092,061.18 is: 24,956,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,972.86 : 39,970,191.96 = 18,092,061.18 : x
  2. Step 2: Convert to fraction form
    28,975,972.86/39,970,191.96 = 18,092,061.18/x
  3. Step 3: Cross multiply
    28,975,972.86x = 39,970,191.96 × 18,092,061.18
  4. Step 4: Simplify right side
    28,975,972.86x = 723,143,158,316,664.12
  5. Step 5: Solve for x
    x = 723,143,158,316,664.12/28,975,972.86
  6. Step 6: Final answer
    x = 24,956,648.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.