Home / 7,718,370.18-10,652,005-4,281,718.38

Finding the Fourth Proportional to 7,718,370.18, 10,652,005 and 4,281,718.38

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Solution

The fourth proportional to 7,718,370.18, 10,652,005 and 4,281,718.38 is: 5,909,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,370.18 : 10,652,005 = 4,281,718.38 : x
  2. Step 2: Convert to fraction form
    7,718,370.18/10,652,005 = 4,281,718.38/x
  3. Step 3: Cross multiply
    7,718,370.18x = 10,652,005 × 4,281,718.38
  4. Step 4: Simplify right side
    7,718,370.18x = 45,608,885,592,351.90
  5. Step 5: Solve for x
    x = 45,608,885,592,351.90/7,718,370.18
  6. Step 6: Final answer
    x = 5,909,134.25

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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.