Home / 8,789,471.01-12,128,881.95-4,868,961.66

Finding the Fourth Proportional to 8,789,471.01, 12,128,881.95 and 4,868,961.66

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Solution

The fourth proportional to 8,789,471.01, 12,128,881.95 and 4,868,961.66 is: 6,718,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,471.01 : 12,128,881.95 = 4,868,961.66 : x
  2. Step 2: Convert to fraction form
    8,789,471.01/12,128,881.95 = 4,868,961.66/x
  3. Step 3: Cross multiply
    8,789,471.01x = 12,128,881.95 × 4,868,961.66
  4. Step 4: Simplify right side
    8,789,471.01x = 59,055,061,193,216.04
  5. Step 5: Solve for x
    x = 59,055,061,193,216.04/8,789,471.01
  6. Step 6: Final answer
    x = 6,718,841.34

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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.