Home / 10,106,569.40-15,159,854.10-5,555,859.80

Finding the Fourth Proportional to 10,106,569.40, 15,159,854.10 and 5,555,859.80

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Solution

The fourth proportional to 10,106,569.40, 15,159,854.10 and 5,555,859.80 is: 8,333,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,569.40 : 15,159,854.10 = 5,555,859.80 : x
  2. Step 2: Convert to fraction form
    10,106,569.40/15,159,854.10 = 5,555,859.80/x
  3. Step 3: Cross multiply
    10,106,569.40x = 15,159,854.10 × 5,555,859.80
  4. Step 4: Simplify right side
    10,106,569.40x = 84,226,023,968,055.17
  5. Step 5: Solve for x
    x = 84,226,023,968,055.17/10,106,569.40
  6. Step 6: Final answer
    x = 8,333,789.70

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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.