Home / 10,789,007.20-16,183,510.80-9,461,903.20

Finding the Fourth Proportional to 10,789,007.20, 16,183,510.80 and 9,461,903.20

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Solution

The fourth proportional to 10,789,007.20, 16,183,510.80 and 9,461,903.20 is: 14,192,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,007.20 : 16,183,510.80 = 9,461,903.20 : x
  2. Step 2: Convert to fraction form
    10,789,007.20/16,183,510.80 = 9,461,903.20/x
  3. Step 3: Cross multiply
    10,789,007.20x = 16,183,510.80 × 9,461,903.20
  4. Step 4: Simplify right side
    10,789,007.20x = 153,126,812,625,754.56
  5. Step 5: Solve for x
    x = 153,126,812,625,754.56/10,789,007.20
  6. Step 6: Final answer
    x = 14,192,854.80

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Similar ratio
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1.5x scale

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.