Home / 8,281,367.76-12,424,044.78-3,490,427.28

Finding the Fourth Proportional to 8,281,367.76, 12,424,044.78 and 3,490,427.28

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Solution

The fourth proportional to 8,281,367.76, 12,424,044.78 and 3,490,427.28 is: 5,236,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,367.76 : 12,424,044.78 = 3,490,427.28 : x
  2. Step 2: Convert to fraction form
    8,281,367.76/12,424,044.78 = 3,490,427.28/x
  3. Step 3: Cross multiply
    8,281,367.76x = 12,424,044.78 × 3,490,427.28
  4. Step 4: Simplify right side
    8,281,367.76x = 43,365,224,828,053.59
  5. Step 5: Solve for x
    x = 43,365,224,828,053.59/8,281,367.76
  6. Step 6: Final answer
    x = 5,236,480.99

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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.