Home / 39,576,031.20-59,364,046.80-19,420,639.20

Finding the Fourth Proportional to 39,576,031.20, 59,364,046.80 and 19,420,639.20

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Solution

The fourth proportional to 39,576,031.20, 59,364,046.80 and 19,420,639.20 is: 29,130,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576,031.20 : 59,364,046.80 = 19,420,639.20 : x
  2. Step 2: Convert to fraction form
    39,576,031.20/59,364,046.80 = 19,420,639.20/x
  3. Step 3: Cross multiply
    39,576,031.20x = 59,364,046.80 × 19,420,639.20
  4. Step 4: Simplify right side
    39,576,031.20x = 1,152,887,734,354,714.50
  5. Step 5: Solve for x
    x = 1,152,887,734,354,714.50/39,576,031.20
  6. Step 6: Final answer
    x = 29,130,958.80

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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.