Home / 10,987,220.40-16,480,830.60-9,363,591.60

Finding the Fourth Proportional to 10,987,220.40, 16,480,830.60 and 9,363,591.60

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Solution

The fourth proportional to 10,987,220.40, 16,480,830.60 and 9,363,591.60 is: 14,045,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,220.40 : 16,480,830.60 = 9,363,591.60 : x
  2. Step 2: Convert to fraction form
    10,987,220.40/16,480,830.60 = 9,363,591.60/x
  3. Step 3: Cross multiply
    10,987,220.40x = 16,480,830.60 × 9,363,591.60
  4. Step 4: Simplify right side
    10,987,220.40x = 154,319,766,967,182.94
  5. Step 5: Solve for x
    x = 154,319,766,967,182.94/10,987,220.40
  6. Step 6: Final answer
    x = 14,045,387.40

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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.