Home / 10,368,003.55-15,552,005.33-8,688,387.55

Finding the Fourth Proportional to 10,368,003.55, 15,552,005.33 and 8,688,387.55

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Solution

The fourth proportional to 10,368,003.55, 15,552,005.33 and 8,688,387.55 is: 13,032,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,003.55 : 15,552,005.33 = 8,688,387.55 : x
  2. Step 2: Convert to fraction form
    10,368,003.55/15,552,005.33 = 8,688,387.55/x
  3. Step 3: Cross multiply
    10,368,003.55x = 15,552,005.33 × 8,688,387.55
  4. Step 4: Simplify right side
    10,368,003.55x = 135,121,849,486,705.66
  5. Step 5: Solve for x
    x = 135,121,849,486,705.66/10,368,003.55
  6. Step 6: Final answer
    x = 13,032,581.33

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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.