Home / 10,531,028.90-15,796,543.35-8,936,705.90

Finding the Fourth Proportional to 10,531,028.90, 15,796,543.35 and 8,936,705.90

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Solution

The fourth proportional to 10,531,028.90, 15,796,543.35 and 8,936,705.90 is: 13,405,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,028.90 : 15,796,543.35 = 8,936,705.90 : x
  2. Step 2: Convert to fraction form
    10,531,028.90/15,796,543.35 = 8,936,705.90/x
  3. Step 3: Cross multiply
    10,531,028.90x = 15,796,543.35 × 8,936,705.90
  4. Step 4: Simplify right side
    10,531,028.90x = 141,169,062,155,550.78
  5. Step 5: Solve for x
    x = 141,169,062,155,550.78/10,531,028.90
  6. Step 6: Final answer
    x = 13,405,058.85

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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.