Home / 30,402,428.29-41,955,391.53-16,463,807.42

Finding the Fourth Proportional to 30,402,428.29, 41,955,391.53 and 16,463,807.42

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Solution

The fourth proportional to 30,402,428.29, 41,955,391.53 and 16,463,807.42 is: 22,720,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,428.29 : 41,955,391.53 = 16,463,807.42 : x
  2. Step 2: Convert to fraction form
    30,402,428.29/41,955,391.53 = 16,463,807.42/x
  3. Step 3: Cross multiply
    30,402,428.29x = 41,955,391.53 × 16,463,807.42
  4. Step 4: Simplify right side
    30,402,428.29x = 690,745,486,170,842.12
  5. Step 5: Solve for x
    x = 690,745,486,170,842.12/30,402,428.29
  6. Step 6: Final answer
    x = 22,720,076.16

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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.