Home / 21,064,527.20-31,543,646.70-16,812,999.20

Finding the Fourth Proportional to 21,064,527.20, 31,543,646.70 and 16,812,999.20

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Solution

The fourth proportional to 21,064,527.20, 31,543,646.70 and 16,812,999.20 is: 25,177,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,527.20 : 31,543,646.70 = 16,812,999.20 : x
  2. Step 2: Convert to fraction form
    21,064,527.20/31,543,646.70 = 16,812,999.20/x
  3. Step 3: Cross multiply
    21,064,527.20x = 31,543,646.70 × 16,812,999.20
  4. Step 4: Simplify right side
    21,064,527.20x = 530,343,306,732,182.62
  5. Step 5: Solve for x
    x = 530,343,306,732,182.62/21,064,527.20
  6. Step 6: Final answer
    x = 25,177,080.96

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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.