Home / 20,468,711.64-30,712,655.18-10,088,271.87

Finding the Fourth Proportional to 20,468,711.64, 30,712,655.18 and 10,088,271.87

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Solution

The fourth proportional to 20,468,711.64, 30,712,655.18 and 10,088,271.87 is: 15,137,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,711.64 : 30,712,655.18 = 10,088,271.87 : x
  2. Step 2: Convert to fraction form
    20,468,711.64/30,712,655.18 = 10,088,271.87/x
  3. Step 3: Cross multiply
    20,468,711.64x = 30,712,655.18 × 10,088,271.87
  4. Step 4: Simplify right side
    20,468,711.64x = 309,837,615,215,452.06
  5. Step 5: Solve for x
    x = 309,837,615,215,452.06/20,468,711.64
  6. Step 6: Final answer
    x = 15,137,133.23

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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.