Home / 15,543,656.40-23,315,265.90-7,023,979.20

Finding the Fourth Proportional to 15,543,656.40, 23,315,265.90 and 7,023,979.20

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Solution

The fourth proportional to 15,543,656.40, 23,315,265.90 and 7,023,979.20 is: 10,535,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543,656.40 : 23,315,265.90 = 7,023,979.20 : x
  2. Step 2: Convert to fraction form
    15,543,656.40/23,315,265.90 = 7,023,979.20/x
  3. Step 3: Cross multiply
    15,543,656.40x = 23,315,265.90 × 7,023,979.20
  4. Step 4: Simplify right side
    15,543,656.40x = 163,765,942,724,069.28
  5. Step 5: Solve for x
    x = 163,765,942,724,069.28/15,543,656.40
  6. Step 6: Final answer
    x = 10,535,869.97

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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.