Home / 18,684,705.90-28,027,058.85-11,472,854.70

Finding the Fourth Proportional to 18,684,705.90, 28,027,058.85 and 11,472,854.70

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Solution

The fourth proportional to 18,684,705.90, 28,027,058.85 and 11,472,854.70 is: 17,209,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,705.90 : 28,027,058.85 = 11,472,854.70 : x
  2. Step 2: Convert to fraction form
    18,684,705.90/28,027,058.85 = 11,472,854.70/x
  3. Step 3: Cross multiply
    18,684,705.90x = 28,027,058.85 × 11,472,854.70
  4. Step 4: Simplify right side
    18,684,705.90x = 321,550,373,854,399.06
  5. Step 5: Solve for x
    x = 321,550,373,854,399.06/18,684,705.90
  6. Step 6: Final answer
    x = 17,209,282.05

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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.