Home / 28,728,113.60-43,092,170.40-13,611,569.60

Finding the Fourth Proportional to 28,728,113.60, 43,092,170.40 and 13,611,569.60

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Solution

The fourth proportional to 28,728,113.60, 43,092,170.40 and 13,611,569.60 is: 20,417,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,113.60 : 43,092,170.40 = 13,611,569.60 : x
  2. Step 2: Convert to fraction form
    28,728,113.60/43,092,170.40 = 13,611,569.60/x
  3. Step 3: Cross multiply
    28,728,113.60x = 43,092,170.40 × 13,611,569.60
  4. Step 4: Simplify right side
    28,728,113.60x = 586,552,076,614,659.75
  5. Step 5: Solve for x
    x = 586,552,076,614,659.75/28,728,113.60
  6. Step 6: Final answer
    x = 20,417,354.40

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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.