Home / 5,340,695.40-8,011,043.10-3,913,021.80

Finding the Fourth Proportional to 5,340,695.40, 8,011,043.10 and 3,913,021.80

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Solution

The fourth proportional to 5,340,695.40, 8,011,043.10 and 3,913,021.80 is: 5,869,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,695.40 : 8,011,043.10 = 3,913,021.80 : x
  2. Step 2: Convert to fraction form
    5,340,695.40/8,011,043.10 = 3,913,021.80/x
  3. Step 3: Cross multiply
    5,340,695.40x = 8,011,043.10 × 3,913,021.80
  4. Step 4: Simplify right side
    5,340,695.40x = 31,347,386,291,039.58
  5. Step 5: Solve for x
    x = 31,347,386,291,039.58/5,340,695.40
  6. Step 6: Final answer
    x = 5,869,532.70

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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.