Home / 9,221,878.30-13,832,817.45-4,428,411.70

Finding the Fourth Proportional to 9,221,878.30, 13,832,817.45 and 4,428,411.70

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Solution

The fourth proportional to 9,221,878.30, 13,832,817.45 and 4,428,411.70 is: 6,642,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,878.30 : 13,832,817.45 = 4,428,411.70 : x
  2. Step 2: Convert to fraction form
    9,221,878.30/13,832,817.45 = 4,428,411.70/x
  3. Step 3: Cross multiply
    9,221,878.30x = 13,832,817.45 × 4,428,411.70
  4. Step 4: Simplify right side
    9,221,878.30x = 61,257,410,639,544.16
  5. Step 5: Solve for x
    x = 61,257,410,639,544.16/9,221,878.30
  6. Step 6: Final answer
    x = 6,642,617.55

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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.