Home / 7,038,413.10-9,708,001.20-6,459,505.97

Finding the Fourth Proportional to 7,038,413.10, 9,708,001.20 and 6,459,505.97

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Solution

The fourth proportional to 7,038,413.10, 9,708,001.20 and 6,459,505.97 is: 8,909,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,413.10 : 9,708,001.20 = 6,459,505.97 : x
  2. Step 2: Convert to fraction form
    7,038,413.10/9,708,001.20 = 6,459,505.97/x
  3. Step 3: Cross multiply
    7,038,413.10x = 9,708,001.20 × 6,459,505.97
  4. Step 4: Simplify right side
    7,038,413.10x = 62,708,891,659,627.15
  5. Step 5: Solve for x
    x = 62,708,891,659,627.15/7,038,413.10
  6. Step 6: Final answer
    x = 8,909,521.33

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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.