Home / 28,558,049.60-42,774,088.80-17,178,651.20

Finding the Fourth Proportional to 28,558,049.60, 42,774,088.80 and 17,178,651.20

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Solution

The fourth proportional to 28,558,049.60, 42,774,088.80 and 17,178,651.20 is: 25,730,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,049.60 : 42,774,088.80 = 17,178,651.20 : x
  2. Step 2: Convert to fraction form
    28,558,049.60/42,774,088.80 = 17,178,651.20/x
  3. Step 3: Cross multiply
    28,558,049.60x = 42,774,088.80 × 17,178,651.20
  4. Step 4: Simplify right side
    28,558,049.60x = 734,801,151,893,026.50
  5. Step 5: Solve for x
    x = 734,801,151,893,026.50/28,558,049.60
  6. Step 6: Final answer
    x = 25,730,088.79

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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.