Home / 13,152,877.20-19,708,320.60-11,011,366.80

Finding the Fourth Proportional to 13,152,877.20, 19,708,320.60 and 11,011,366.80

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Solution

The fourth proportional to 13,152,877.20, 19,708,320.60 and 11,011,366.80 is: 16,499,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,877.20 : 19,708,320.60 = 11,011,366.80 : x
  2. Step 2: Convert to fraction form
    13,152,877.20/19,708,320.60 = 11,011,366.80/x
  3. Step 3: Cross multiply
    13,152,877.20x = 19,708,320.60 × 11,011,366.80
  4. Step 4: Simplify right side
    13,152,877.20x = 217,015,547,138,596.12
  5. Step 5: Solve for x
    x = 217,015,547,138,596.12/13,152,877.20
  6. Step 6: Final answer
    x = 16,499,473.37

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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.