Home / 31,949,254.72-47,923,879.72-7,688,184.19

Finding the Fourth Proportional to 31,949,254.72, 47,923,879.72 and 7,688,184.19

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Solution

The fourth proportional to 31,949,254.72, 47,923,879.72 and 7,688,184.19 is: 11,532,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949,254.72 : 47,923,879.72 = 7,688,184.19 : x
  2. Step 2: Convert to fraction form
    31,949,254.72/47,923,879.72 = 7,688,184.19/x
  3. Step 3: Cross multiply
    31,949,254.72x = 47,923,879.72 × 7,688,184.19
  4. Step 4: Simplify right side
    31,949,254.72x = 368,447,614,266,955.94
  5. Step 5: Solve for x
    x = 368,447,614,266,955.94/31,949,254.72
  6. Step 6: Final answer
    x = 11,532,275.72

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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.