Home / 15,365,200.80-23,047,801.20-7,712,450.40

Finding the Fourth Proportional to 15,365,200.80, 23,047,801.20 and 7,712,450.40

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Solution

The fourth proportional to 15,365,200.80, 23,047,801.20 and 7,712,450.40 is: 11,568,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,200.80 : 23,047,801.20 = 7,712,450.40 : x
  2. Step 2: Convert to fraction form
    15,365,200.80/23,047,801.20 = 7,712,450.40/x
  3. Step 3: Cross multiply
    15,365,200.80x = 23,047,801.20 × 7,712,450.40
  4. Step 4: Simplify right side
    15,365,200.80x = 177,755,023,584,060.47
  5. Step 5: Solve for x
    x = 177,755,023,584,060.47/15,365,200.80
  6. Step 6: Final answer
    x = 11,568,675.60

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Double scale
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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.