Home / 10,345,707.40-15,518,561.28-3,157,278.16

Finding the Fourth Proportional to 10,345,707.40, 15,518,561.28 and 3,157,278.16

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Solution

The fourth proportional to 10,345,707.40, 15,518,561.28 and 3,157,278.16 is: 4,735,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,707.40 : 15,518,561.28 = 3,157,278.16 : x
  2. Step 2: Convert to fraction form
    10,345,707.40/15,518,561.28 = 3,157,278.16/x
  3. Step 3: Cross multiply
    10,345,707.40x = 15,518,561.28 × 3,157,278.16
  4. Step 4: Simplify right side
    10,345,707.40x = 48,996,414,603,965.65
  5. Step 5: Solve for x
    x = 48,996,414,603,965.65/10,345,707.40
  6. Step 6: Final answer
    x = 4,735,917.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.