Home / 10,459,748.19-15,643,730.94-9,315,067.15

Finding the Fourth Proportional to 10,459,748.19, 15,643,730.94 and 9,315,067.15

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Solution

The fourth proportional to 10,459,748.19, 15,643,730.94 and 9,315,067.15 is: 13,931,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459,748.19 : 15,643,730.94 = 9,315,067.15 : x
  2. Step 2: Convert to fraction form
    10,459,748.19/15,643,730.94 = 9,315,067.15/x
  3. Step 3: Cross multiply
    10,459,748.19x = 15,643,730.94 × 9,315,067.15
  4. Step 4: Simplify right side
    10,459,748.19x = 145,722,404,137,923.78
  5. Step 5: Solve for x
    x = 145,722,404,137,923.78/10,459,748.19
  6. Step 6: Final answer
    x = 13,931,731.58

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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.