Home / 15,527,061.72-21,427,430.16-9,004,558.38

Finding the Fourth Proportional to 15,527,061.72, 21,427,430.16 and 9,004,558.38

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Solution

The fourth proportional to 15,527,061.72, 21,427,430.16 and 9,004,558.38 is: 12,426,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,061.72 : 21,427,430.16 = 9,004,558.38 : x
  2. Step 2: Convert to fraction form
    15,527,061.72/21,427,430.16 = 9,004,558.38/x
  3. Step 3: Cross multiply
    15,527,061.72x = 21,427,430.16 × 9,004,558.38
  4. Step 4: Simplify right side
    15,527,061.72x = 192,944,545,809,092.75
  5. Step 5: Solve for x
    x = 192,944,545,809,092.75/15,527,061.72
  6. Step 6: Final answer
    x = 12,426,339.85

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1.5x scale

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.