Home / 9,991,165.52-14,996,146.80-9,445,109.78

Finding the Fourth Proportional to 9,991,165.52, 14,996,146.80 and 9,445,109.78

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Solution

The fourth proportional to 9,991,165.52, 14,996,146.80 and 9,445,109.78 is: 14,176,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,165.52 : 14,996,146.80 = 9,445,109.78 : x
  2. Step 2: Convert to fraction form
    9,991,165.52/14,996,146.80 = 9,445,109.78/x
  3. Step 3: Cross multiply
    9,991,165.52x = 14,996,146.80 × 9,445,109.78
  4. Step 4: Simplify right side
    9,991,165.52x = 141,640,252,802,995.69
  5. Step 5: Solve for x
    x = 141,640,252,802,995.69/9,991,165.52
  6. Step 6: Final answer
    x = 14,176,549.52

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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.