Home / 15,527,085.78-21,427,463.31-9,004,582.38

Finding the Fourth Proportional to 15,527,085.78, 21,427,463.31 and 9,004,582.38

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Solution

The fourth proportional to 15,527,085.78, 21,427,463.31 and 9,004,582.38 is: 12,426,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,085.78 : 21,427,463.31 = 9,004,582.38 : x
  2. Step 2: Convert to fraction form
    15,527,085.78/21,427,463.31 = 9,004,582.38/x
  3. Step 3: Cross multiply
    15,527,085.78x = 21,427,463.31 × 9,004,582.38
  4. Step 4: Simplify right side
    15,527,085.78x = 192,945,358,569,322.47
  5. Step 5: Solve for x
    x = 192,945,358,569,322.47/15,527,085.78
  6. Step 6: Final answer
    x = 12,426,372.94

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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.