Home / 12,830,863.50-19,246,320.02-3,115,435.55

Finding the Fourth Proportional to 12,830,863.50, 19,246,320.02 and 3,115,435.55

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Solution

The fourth proportional to 12,830,863.50, 19,246,320.02 and 3,115,435.55 is: 4,673,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,863.50 : 19,246,320.02 = 3,115,435.55 : x
  2. Step 2: Convert to fraction form
    12,830,863.50/19,246,320.02 = 3,115,435.55/x
  3. Step 3: Cross multiply
    12,830,863.50x = 19,246,320.02 × 3,115,435.55
  4. Step 4: Simplify right side
    12,830,863.50x = 59,960,669,508,541.70
  5. Step 5: Solve for x
    x = 59,960,669,508,541.70/12,830,863.50
  6. Step 6: Final answer
    x = 4,673,159.33

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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.