Home / 10,071,136.38-13,898,170.18-5,487,457.74

Finding the Fourth Proportional to 10,071,136.38, 13,898,170.18 and 5,487,457.74

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Solution

The fourth proportional to 10,071,136.38, 13,898,170.18 and 5,487,457.74 is: 7,572,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,136.38 : 13,898,170.18 = 5,487,457.74 : x
  2. Step 2: Convert to fraction form
    10,071,136.38/13,898,170.18 = 5,487,457.74/x
  3. Step 3: Cross multiply
    10,071,136.38x = 13,898,170.18 × 5,487,457.74
  4. Step 4: Simplify right side
    10,071,136.38x = 76,265,621,526,078.19
  5. Step 5: Solve for x
    x = 76,265,621,526,078.19/10,071,136.38
  6. Step 6: Final answer
    x = 7,572,692.76

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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.