Home / 21,064,538.70-31,543,663.95-16,813,010.70

Finding the Fourth Proportional to 21,064,538.70, 31,543,663.95 and 16,813,010.70

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Solution

The fourth proportional to 21,064,538.70, 31,543,663.95 and 16,813,010.70 is: 25,177,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,538.70 : 31,543,663.95 = 16,813,010.70 : x
  2. Step 2: Convert to fraction form
    21,064,538.70/31,543,663.95 = 16,813,010.70/x
  3. Step 3: Cross multiply
    21,064,538.70x = 31,543,663.95 × 16,813,010.70
  4. Step 4: Simplify right side
    21,064,538.70x = 530,343,959,508,554.25
  5. Step 5: Solve for x
    x = 530,343,959,508,554.25/21,064,538.70
  6. Step 6: Final answer
    x = 25,177,098.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.