Home / 47,969,870.46-71,959,846.32-15,624,291.66

Finding the Fourth Proportional to 47,969,870.46, 71,959,846.32 and 15,624,291.66

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Solution

The fourth proportional to 47,969,870.46, 71,959,846.32 and 15,624,291.66 is: 23,438,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969,870.46 : 71,959,846.32 = 15,624,291.66 : x
  2. Step 2: Convert to fraction form
    47,969,870.46/71,959,846.32 = 15,624,291.66/x
  3. Step 3: Cross multiply
    47,969,870.46x = 71,959,846.32 × 15,624,291.66
  4. Step 4: Simplify right side
    47,969,870.46x = 1,124,321,626,712,457.62
  5. Step 5: Solve for x
    x = 1,124,321,626,712,457.62/47,969,870.46
  6. Step 6: Final answer
    x = 23,438,079.28

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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.