Home / 12,480,045.60-18,688,575.60-9,960,621.60

Finding the Fourth Proportional to 12,480,045.60, 18,688,575.60 and 9,960,621.60

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Solution

The fourth proportional to 12,480,045.60, 18,688,575.60 and 9,960,621.60 is: 14,915,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,045.60 : 18,688,575.60 = 9,960,621.60 : x
  2. Step 2: Convert to fraction form
    12,480,045.60/18,688,575.60 = 9,960,621.60/x
  3. Step 3: Cross multiply
    12,480,045.60x = 18,688,575.60 × 9,960,621.60
  4. Step 4: Simplify right side
    12,480,045.60x = 186,149,829,794,592.97
  5. Step 5: Solve for x
    x = 186,149,829,794,592.97/12,480,045.60
  6. Step 6: Final answer
    x = 14,915,797.25

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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.