Home / 9,966,105.70-14,949,158.55-8,989,828.90

Finding the Fourth Proportional to 9,966,105.70, 14,949,158.55 and 8,989,828.90

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Solution

The fourth proportional to 9,966,105.70, 14,949,158.55 and 8,989,828.90 is: 13,484,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,105.70 : 14,949,158.55 = 8,989,828.90 : x
  2. Step 2: Convert to fraction form
    9,966,105.70/14,949,158.55 = 8,989,828.90/x
  3. Step 3: Cross multiply
    9,966,105.70x = 14,949,158.55 × 8,989,828.90
  4. Step 4: Simplify right side
    9,966,105.70x = 134,390,377,563,472.11
  5. Step 5: Solve for x
    x = 134,390,377,563,472.11/9,966,105.70
  6. Step 6: Final answer
    x = 13,484,743.35

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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.