Home / 9,853,138.30-13,603,728.93-8,818,854.97

Finding the Fourth Proportional to 9,853,138.30, 13,603,728.93 and 8,818,854.97

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Solution

The fourth proportional to 9,853,138.30, 13,603,728.93 and 8,818,854.97 is: 12,175,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853,138.30 : 13,603,728.93 = 8,818,854.97 : x
  2. Step 2: Convert to fraction form
    9,853,138.30/13,603,728.93 = 8,818,854.97/x
  3. Step 3: Cross multiply
    9,853,138.30x = 13,603,728.93 × 8,818,854.97
  4. Step 4: Simplify right side
    9,853,138.30x = 119,969,312,484,863.28
  5. Step 5: Solve for x
    x = 119,969,312,484,863.28/9,853,138.30
  6. Step 6: Final answer
    x = 12,175,746.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.