Home / 13,152,913.20-19,708,374.60-11,011,402.80

Finding the Fourth Proportional to 13,152,913.20, 19,708,374.60 and 11,011,402.80

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Solution

The fourth proportional to 13,152,913.20, 19,708,374.60 and 11,011,402.80 is: 16,499,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,913.20 : 19,708,374.60 = 11,011,402.80 : x
  2. Step 2: Convert to fraction form
    13,152,913.20/19,708,374.60 = 11,011,402.80/x
  3. Step 3: Cross multiply
    13,152,913.20x = 19,708,374.60 × 11,011,402.80
  4. Step 4: Simplify right side
    13,152,913.20x = 217,016,851,253,888.91
  5. Step 5: Solve for x
    x = 217,016,851,253,888.91/13,152,913.20
  6. Step 6: Final answer
    x = 16,499,527.36

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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.