Home / 6,480,031.10-9,720,046.65-3,929,114.30

Finding the Fourth Proportional to 6,480,031.10, 9,720,046.65 and 3,929,114.30

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Solution

The fourth proportional to 6,480,031.10, 9,720,046.65 and 3,929,114.30 is: 5,893,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,031.10 : 9,720,046.65 = 3,929,114.30 : x
  2. Step 2: Convert to fraction form
    6,480,031.10/9,720,046.65 = 3,929,114.30/x
  3. Step 3: Cross multiply
    6,480,031.10x = 9,720,046.65 × 3,929,114.30
  4. Step 4: Simplify right side
    6,480,031.10x = 38,191,174,289,182.09
  5. Step 5: Solve for x
    x = 38,191,174,289,182.09/6,480,031.10
  6. Step 6: Final answer
    x = 5,893,671.45

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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.