Home / 6,600,237.20-9,900,363.70-1,807,967.78

Finding the Fourth Proportional to 6,600,237.20, 9,900,363.70 and 1,807,967.78

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Solution

The fourth proportional to 6,600,237.20, 9,900,363.70 and 1,807,967.78 is: 2,711,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,237.20 : 9,900,363.70 = 1,807,967.78 : x
  2. Step 2: Convert to fraction form
    6,600,237.20/9,900,363.70 = 1,807,967.78/x
  3. Step 3: Cross multiply
    6,600,237.20x = 9,900,363.70 × 1,807,967.78
  4. Step 4: Simplify right side
    6,600,237.20x = 17,899,538,579,881.59
  5. Step 5: Solve for x
    x = 17,899,538,579,881.59/6,600,237.20
  6. Step 6: Final answer
    x = 2,711,953.83

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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.