Home / 7,017,987.72-9,680,780.70-4,225,166.86

Finding the Fourth Proportional to 7,017,987.72, 9,680,780.70 and 4,225,166.86

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Solution

The fourth proportional to 7,017,987.72, 9,680,780.70 and 4,225,166.86 is: 5,828,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017,987.72 : 9,680,780.70 = 4,225,166.86 : x
  2. Step 2: Convert to fraction form
    7,017,987.72/9,680,780.70 = 4,225,166.86/x
  3. Step 3: Cross multiply
    7,017,987.72x = 9,680,780.70 × 4,225,166.86
  4. Step 4: Simplify right side
    7,017,987.72x = 40,902,913,792,567.60
  5. Step 5: Solve for x
    x = 40,902,913,792,567.60/7,017,987.72
  6. Step 6: Final answer
    x = 5,828,296.58

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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.