Home / 34,653,818.60-47,807,258.10-20,895,139.16

Finding the Fourth Proportional to 34,653,818.60, 47,807,258.10 and 20,895,139.16

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Solution

The fourth proportional to 34,653,818.60, 47,807,258.10 and 20,895,139.16 is: 28,826,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653,818.60 : 47,807,258.10 = 20,895,139.16 : x
  2. Step 2: Convert to fraction form
    34,653,818.60/47,807,258.10 = 20,895,139.16/x
  3. Step 3: Cross multiply
    34,653,818.60x = 47,807,258.10 × 20,895,139.16
  4. Step 4: Simplify right side
    34,653,818.60x = 998,939,310,857,537.25
  5. Step 5: Solve for x
    x = 998,939,310,857,537.25/34,653,818.60
  6. Step 6: Final answer
    x = 28,826,240.55

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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.