Home / 10,531,028.70-15,796,543.05-9,335,286.45

Finding the Fourth Proportional to 10,531,028.70, 15,796,543.05 and 9,335,286.45

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Solution

The fourth proportional to 10,531,028.70, 15,796,543.05 and 9,335,286.45 is: 14,002,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,028.70 : 15,796,543.05 = 9,335,286.45 : x
  2. Step 2: Convert to fraction form
    10,531,028.70/15,796,543.05 = 9,335,286.45/x
  3. Step 3: Cross multiply
    10,531,028.70x = 15,796,543.05 × 9,335,286.45
  4. Step 4: Simplify right side
    10,531,028.70x = 147,465,254,291,506.66
  5. Step 5: Solve for x
    x = 147,465,254,291,506.66/10,531,028.70
  6. Step 6: Final answer
    x = 14,002,929.68

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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.