Home / 15,205,390.07-22,815,578.86-7,118,913.11

Finding the Fourth Proportional to 15,205,390.07, 22,815,578.86 and 7,118,913.11

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Solution

The fourth proportional to 15,205,390.07, 22,815,578.86 and 7,118,913.11 is: 10,681,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,390.07 : 22,815,578.86 = 7,118,913.11 : x
  2. Step 2: Convert to fraction form
    15,205,390.07/22,815,578.86 = 7,118,913.11/x
  3. Step 3: Cross multiply
    15,205,390.07x = 22,815,578.86 × 7,118,913.11
  4. Step 4: Simplify right side
    15,205,390.07x = 162,422,123,326,817.69
  5. Step 5: Solve for x
    x = 162,422,123,326,817.69/15,205,390.07
  6. Step 6: Final answer
    x = 10,681,878.11

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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.