Home / 10,458,002.40-15,645,013.20-9,053,656.80

Finding the Fourth Proportional to 10,458,002.40, 15,645,013.20 and 9,053,656.80

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Solution

The fourth proportional to 10,458,002.40, 15,645,013.20 and 9,053,656.80 is: 13,544,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,002.40 : 15,645,013.20 = 9,053,656.80 : x
  2. Step 2: Convert to fraction form
    10,458,002.40/15,645,013.20 = 9,053,656.80/x
  3. Step 3: Cross multiply
    10,458,002.40x = 15,645,013.20 × 9,053,656.80
  4. Step 4: Simplify right side
    10,458,002.40x = 141,644,580,144,269.75
  5. Step 5: Solve for x
    x = 141,644,580,144,269.75/10,458,002.40
  6. Step 6: Final answer
    x = 13,544,133.45

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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.