Home / 10,315,069.40-15,472,604.10-9,199,043.30

Finding the Fourth Proportional to 10,315,069.40, 15,472,604.10 and 9,199,043.30

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Solution

The fourth proportional to 10,315,069.40, 15,472,604.10 and 9,199,043.30 is: 13,798,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,069.40 : 15,472,604.10 = 9,199,043.30 : x
  2. Step 2: Convert to fraction form
    10,315,069.40/15,472,604.10 = 9,199,043.30/x
  3. Step 3: Cross multiply
    10,315,069.40x = 15,472,604.10 × 9,199,043.30
  4. Step 4: Simplify right side
    10,315,069.40x = 142,333,155,079,657.53
  5. Step 5: Solve for x
    x = 142,333,155,079,657.53/10,315,069.40
  6. Step 6: Final answer
    x = 13,798,564.95

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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.