Home / 12,523,436.31-18,772,044.75-5,241,068.71

Finding the Fourth Proportional to 12,523,436.31, 18,772,044.75 and 5,241,068.71

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Solution

The fourth proportional to 12,523,436.31, 18,772,044.75 and 5,241,068.71 is: 7,856,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523,436.31 : 18,772,044.75 = 5,241,068.71 : x
  2. Step 2: Convert to fraction form
    12,523,436.31/18,772,044.75 = 5,241,068.71/x
  3. Step 3: Cross multiply
    12,523,436.31x = 18,772,044.75 × 5,241,068.71
  4. Step 4: Simplify right side
    12,523,436.31x = 98,385,576,361,944.77
  5. Step 5: Solve for x
    x = 98,385,576,361,944.77/12,523,436.31
  6. Step 6: Final answer
    x = 7,856,116.64

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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.