Home / 15,505,862.90-23,262,294.20-5,131,055.45

Finding the Fourth Proportional to 15,505,862.90, 23,262,294.20 and 5,131,055.45

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Solution

The fourth proportional to 15,505,862.90, 23,262,294.20 and 5,131,055.45 is: 7,697,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505,862.90 : 23,262,294.20 = 5,131,055.45 : x
  2. Step 2: Convert to fraction form
    15,505,862.90/23,262,294.20 = 5,131,055.45/x
  3. Step 3: Cross multiply
    15,505,862.90x = 23,262,294.20 × 5,131,055.45
  4. Step 4: Simplify right side
    15,505,862.90x = 119,360,121,434,413.39
  5. Step 5: Solve for x
    x = 119,360,121,434,413.39/15,505,862.90
  6. Step 6: Final answer
    x = 7,697,741.32

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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.