Home / 13,561,543.10-20,342,314.65-9,018,706.70

Finding the Fourth Proportional to 13,561,543.10, 20,342,314.65 and 9,018,706.70

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Solution

The fourth proportional to 13,561,543.10, 20,342,314.65 and 9,018,706.70 is: 13,528,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,543.10 : 20,342,314.65 = 9,018,706.70 : x
  2. Step 2: Convert to fraction form
    13,561,543.10/20,342,314.65 = 9,018,706.70/x
  3. Step 3: Cross multiply
    13,561,543.10x = 20,342,314.65 × 9,018,706.70
  4. Step 4: Simplify right side
    13,561,543.10x = 183,461,369,427,463.12
  5. Step 5: Solve for x
    x = 183,461,369,427,463.12/13,561,543.10
  6. Step 6: Final answer
    x = 13,528,060.05

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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.