Home / 6,480,034.60-9,720,051.90-3,929,117.80

Finding the Fourth Proportional to 6,480,034.60, 9,720,051.90 and 3,929,117.80

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Solution

The fourth proportional to 6,480,034.60, 9,720,051.90 and 3,929,117.80 is: 5,893,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,034.60 : 9,720,051.90 = 3,929,117.80 : x
  2. Step 2: Convert to fraction form
    6,480,034.60/9,720,051.90 = 3,929,117.80/x
  3. Step 3: Cross multiply
    6,480,034.60x = 9,720,051.90 × 3,929,117.80
  4. Step 4: Simplify right side
    6,480,034.60x = 38,191,228,937,213.82
  5. Step 5: Solve for x
    x = 38,191,228,937,213.82/6,480,034.60
  6. Step 6: Final answer
    x = 5,893,676.70

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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.