Home / 9,966,280.80-14,948,643.60-3,899,834.40

Finding the Fourth Proportional to 9,966,280.80, 14,948,643.60 and 3,899,834.40

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Solution

The fourth proportional to 9,966,280.80, 14,948,643.60 and 3,899,834.40 is: 5,849,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,280.80 : 14,948,643.60 = 3,899,834.40 : x
  2. Step 2: Convert to fraction form
    9,966,280.80/14,948,643.60 = 3,899,834.40/x
  3. Step 3: Cross multiply
    9,966,280.80x = 14,948,643.60 × 3,899,834.40
  4. Step 4: Simplify right side
    9,966,280.80x = 58,297,234,544,619.84
  5. Step 5: Solve for x
    x = 58,297,234,544,619.84/9,966,280.80
  6. Step 6: Final answer
    x = 5,849,447.32

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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.