Home / 29,025,988.32-40,042,461.84-18,716,023.20

Finding the Fourth Proportional to 29,025,988.32, 40,042,461.84 and 18,716,023.20

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Solution

The fourth proportional to 29,025,988.32, 40,042,461.84 and 18,716,023.20 is: 25,819,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,025,988.32 : 40,042,461.84 = 18,716,023.20 : x
  2. Step 2: Convert to fraction form
    29,025,988.32/40,042,461.84 = 18,716,023.20/x
  3. Step 3: Cross multiply
    29,025,988.32x = 40,042,461.84 × 18,716,023.20
  4. Step 4: Simplify right side
    29,025,988.32x = 749,435,644,782,554.75
  5. Step 5: Solve for x
    x = 749,435,644,782,554.75/29,025,988.32
  6. Step 6: Final answer
    x = 25,819,470.35

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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.