Home / 18,957,205.01-28,436,616.77-7,445,167.17

Finding the Fourth Proportional to 18,957,205.01, 28,436,616.77 and 7,445,167.17

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Solution

The fourth proportional to 18,957,205.01, 28,436,616.77 and 7,445,167.17 is: 11,168,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,205.01 : 28,436,616.77 = 7,445,167.17 : x
  2. Step 2: Convert to fraction form
    18,957,205.01/28,436,616.77 = 7,445,167.17/x
  3. Step 3: Cross multiply
    18,957,205.01x = 28,436,616.77 × 7,445,167.17
  4. Step 4: Simplify right side
    18,957,205.01x = 211,715,365,564,649.59
  5. Step 5: Solve for x
    x = 211,715,365,564,649.59/18,957,205.01
  6. Step 6: Final answer
    x = 11,168,068.58

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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.