Home / 12,737,355.05-17,578,287.93-9,591,987.95

Finding the Fourth Proportional to 12,737,355.05, 17,578,287.93 and 9,591,987.95

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Solution

The fourth proportional to 12,737,355.05, 17,578,287.93 and 9,591,987.95 is: 13,237,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,355.05 : 17,578,287.93 = 9,591,987.95 : x
  2. Step 2: Convert to fraction form
    12,737,355.05/17,578,287.93 = 9,591,987.95/x
  3. Step 3: Cross multiply
    12,737,355.05x = 17,578,287.93 × 9,591,987.95
  4. Step 4: Simplify right side
    12,737,355.05x = 168,610,726,038,137.81
  5. Step 5: Solve for x
    x = 168,610,726,038,137.81/12,737,355.05
  6. Step 6: Final answer
    x = 13,237,499.11

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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.