Home / 10,852,147.72-14,975,413.88-6,442,061.86

Finding the Fourth Proportional to 10,852,147.72, 14,975,413.88 and 6,442,061.86

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Solution

The fourth proportional to 10,852,147.72, 14,975,413.88 and 6,442,061.86 is: 8,889,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852,147.72 : 14,975,413.88 = 6,442,061.86 : x
  2. Step 2: Convert to fraction form
    10,852,147.72/14,975,413.88 = 6,442,061.86/x
  3. Step 3: Cross multiply
    10,852,147.72x = 14,975,413.88 × 6,442,061.86
  4. Step 4: Simplify right side
    10,852,147.72x = 96,472,542,598,693.09
  5. Step 5: Solve for x
    x = 96,472,542,598,693.09/10,852,147.72
  6. Step 6: Final answer
    x = 8,889,718.89

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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.