Home / 10,531,546.40-15,797,319.60-9,710,400.80

Finding the Fourth Proportional to 10,531,546.40, 15,797,319.60 and 9,710,400.80

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Solution

The fourth proportional to 10,531,546.40, 15,797,319.60 and 9,710,400.80 is: 14,565,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,546.40 : 15,797,319.60 = 9,710,400.80 : x
  2. Step 2: Convert to fraction form
    10,531,546.40/15,797,319.60 = 9,710,400.80/x
  3. Step 3: Cross multiply
    10,531,546.40x = 15,797,319.60 × 9,710,400.80
  4. Step 4: Simplify right side
    10,531,546.40x = 153,398,304,881,695.69
  5. Step 5: Solve for x
    x = 153,398,304,881,695.69/10,531,546.40
  6. Step 6: Final answer
    x = 14,565,601.20

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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.