Home / 10,011,909.12-15,008,957.12-3,620,740.64

Finding the Fourth Proportional to 10,011,909.12, 15,008,957.12 and 3,620,740.64

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Solution

The fourth proportional to 10,011,909.12, 15,008,957.12 and 3,620,740.64 is: 5,427,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,909.12 : 15,008,957.12 = 3,620,740.64 : x
  2. Step 2: Convert to fraction form
    10,011,909.12/15,008,957.12 = 3,620,740.64/x
  3. Step 3: Cross multiply
    10,011,909.12x = 15,008,957.12 × 3,620,740.64
  4. Step 4: Simplify right side
    10,011,909.12x = 54,343,541,008,401.36
  5. Step 5: Solve for x
    x = 54,343,541,008,401.36/10,011,909.12
  6. Step 6: Final answer
    x = 5,427,889.96

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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.