Home / 7,152,842.46-9,871,182.16-4,097,647.20

Finding the Fourth Proportional to 7,152,842.46, 9,871,182.16 and 4,097,647.20

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Solution

The fourth proportional to 7,152,842.46, 9,871,182.16 and 4,097,647.20 is: 5,654,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,842.46 : 9,871,182.16 = 4,097,647.20 : x
  2. Step 2: Convert to fraction form
    7,152,842.46/9,871,182.16 = 4,097,647.20/x
  3. Step 3: Cross multiply
    7,152,842.46x = 9,871,182.16 × 4,097,647.20
  4. Step 4: Simplify right side
    7,152,842.46x = 40,448,621,938,613.95
  5. Step 5: Solve for x
    x = 40,448,621,938,613.95/7,152,842.46
  6. Step 6: Final answer
    x = 5,654,901.83

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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.