Home / 9,489,712.80-14,234,569.20-9,048,813.60

Finding the Fourth Proportional to 9,489,712.80, 14,234,569.20 and 9,048,813.60

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Solution

The fourth proportional to 9,489,712.80, 14,234,569.20 and 9,048,813.60 is: 13,573,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,712.80 : 14,234,569.20 = 9,048,813.60 : x
  2. Step 2: Convert to fraction form
    9,489,712.80/14,234,569.20 = 9,048,813.60/x
  3. Step 3: Cross multiply
    9,489,712.80x = 14,234,569.20 × 9,048,813.60
  4. Step 4: Simplify right side
    9,489,712.80x = 128,805,963,367,101.11
  5. Step 5: Solve for x
    x = 128,805,963,367,101.11/9,489,712.80
  6. Step 6: Final answer
    x = 13,573,220.40

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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.