Home / 13,092,841.53-18,068,681.90-7,291,623.28

Finding the Fourth Proportional to 13,092,841.53, 18,068,681.90 and 7,291,623.28

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Solution

The fourth proportional to 13,092,841.53, 18,068,681.90 and 7,291,623.28 is: 10,062,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092,841.53 : 18,068,681.90 = 7,291,623.28 : x
  2. Step 2: Convert to fraction form
    13,092,841.53/18,068,681.90 = 7,291,623.28/x
  3. Step 3: Cross multiply
    13,092,841.53x = 18,068,681.90 × 7,291,623.28
  4. Step 4: Simplify right side
    13,092,841.53x = 131,750,021,621,769.55
  5. Step 5: Solve for x
    x = 131,750,021,621,769.55/13,092,841.53
  6. Step 6: Final answer
    x = 10,062,752.33

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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.