Home / 28,752,705.60-43,122,837.60-12,578,625.60

Finding the Fourth Proportional to 28,752,705.60, 43,122,837.60 and 12,578,625.60

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Solution

The fourth proportional to 28,752,705.60, 43,122,837.60 and 12,578,625.60 is: 18,865,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752,705.60 : 43,122,837.60 = 12,578,625.60 : x
  2. Step 2: Convert to fraction form
    28,752,705.60/43,122,837.60 = 12,578,625.60/x
  3. Step 3: Cross multiply
    28,752,705.60x = 43,122,837.60 × 12,578,625.60
  4. Step 4: Simplify right side
    28,752,705.60x = 542,426,028,980,002.56
  5. Step 5: Solve for x
    x = 542,426,028,980,002.56/28,752,705.60
  6. Step 6: Final answer
    x = 18,865,216.95

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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.