Home / 18,718,205.70-28,077,308.55-6,587,572.80

Finding the Fourth Proportional to 18,718,205.70, 28,077,308.55 and 6,587,572.80

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Solution

The fourth proportional to 18,718,205.70, 28,077,308.55 and 6,587,572.80 is: 9,881,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,205.70 : 28,077,308.55 = 6,587,572.80 : x
  2. Step 2: Convert to fraction form
    18,718,205.70/28,077,308.55 = 6,587,572.80/x
  3. Step 3: Cross multiply
    18,718,205.70x = 28,077,308.55 × 6,587,572.80
  4. Step 4: Simplify right side
    18,718,205.70x = 184,961,314,101,187.44
  5. Step 5: Solve for x
    x = 184,961,314,101,187.44/18,718,205.70
  6. Step 6: Final answer
    x = 9,881,359.20

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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.