Home / 28,248,352.40-42,378,058.20-12,074,272.40

Finding the Fourth Proportional to 28,248,352.40, 42,378,058.20 and 12,074,272.40

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Solution

The fourth proportional to 28,248,352.40, 42,378,058.20 and 12,074,272.40 is: 18,113,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,352.40 : 42,378,058.20 = 12,074,272.40 : x
  2. Step 2: Convert to fraction form
    28,248,352.40/42,378,058.20 = 12,074,272.40/x
  3. Step 3: Cross multiply
    28,248,352.40x = 42,378,058.20 × 12,074,272.40
  4. Step 4: Simplify right side
    28,248,352.40x = 511,684,218,489,853.75
  5. Step 5: Solve for x
    x = 511,684,218,489,853.75/28,248,352.40
  6. Step 6: Final answer
    x = 18,113,772.13

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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.