Home / 12,859,622.78-17,746,217.10-7,058,503.22

Finding the Fourth Proportional to 12,859,622.78, 17,746,217.10 and 7,058,503.22

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Solution

The fourth proportional to 12,859,622.78, 17,746,217.10 and 7,058,503.22 is: 9,740,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,622.78 : 17,746,217.10 = 7,058,503.22 : x
  2. Step 2: Convert to fraction form
    12,859,622.78/17,746,217.10 = 7,058,503.22/x
  3. Step 3: Cross multiply
    12,859,622.78x = 17,746,217.10 × 7,058,503.22
  4. Step 4: Simplify right side
    12,859,622.78x = 125,261,730,454,437.98
  5. Step 5: Solve for x
    x = 125,261,730,454,437.98/12,859,622.78
  6. Step 6: Final answer
    x = 9,740,700.22

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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.