Home / 21,071,151.73-29,083,048.65-13,716,174.14

Finding the Fourth Proportional to 21,071,151.73, 29,083,048.65 and 13,716,174.14

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Solution

The fourth proportional to 21,071,151.73, 29,083,048.65 and 13,716,174.14 is: 18,931,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,151.73 : 29,083,048.65 = 13,716,174.14 : x
  2. Step 2: Convert to fraction form
    21,071,151.73/29,083,048.65 = 13,716,174.14/x
  3. Step 3: Cross multiply
    21,071,151.73x = 29,083,048.65 × 13,716,174.14
  4. Step 4: Simplify right side
    21,071,151.73x = 398,908,159,805,491.94
  5. Step 5: Solve for x
    x = 398,908,159,805,491.94/21,071,151.73
  6. Step 6: Final answer
    x = 18,931,483.43

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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.