Home / 12,619,175.52-18,931,948.74-3,521,265.47

Finding the Fourth Proportional to 12,619,175.52, 18,931,948.74 and 3,521,265.47

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Solution

The fourth proportional to 12,619,175.52, 18,931,948.74 and 3,521,265.47 is: 5,282,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,175.52 : 18,931,948.74 = 3,521,265.47 : x
  2. Step 2: Convert to fraction form
    12,619,175.52/18,931,948.74 = 3,521,265.47/x
  3. Step 3: Cross multiply
    12,619,175.52x = 18,931,948.74 × 3,521,265.47
  4. Step 4: Simplify right side
    12,619,175.52x = 66,664,417,283,312.26
  5. Step 5: Solve for x
    x = 66,664,417,283,312.26/12,619,175.52
  6. Step 6: Final answer
    x = 5,282,787.07

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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.