Home / 12,472,654.80-18,694,985.40-7,083,886.80

Finding the Fourth Proportional to 12,472,654.80, 18,694,985.40 and 7,083,886.80

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Solution

The fourth proportional to 12,472,654.80, 18,694,985.40 and 7,083,886.80 is: 10,617,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,654.80 : 18,694,985.40 = 7,083,886.80 : x
  2. Step 2: Convert to fraction form
    12,472,654.80/18,694,985.40 = 7,083,886.80/x
  3. Step 3: Cross multiply
    12,472,654.80x = 18,694,985.40 × 7,083,886.80
  4. Step 4: Simplify right side
    12,472,654.80x = 132,433,160,301,252.70
  5. Step 5: Solve for x
    x = 132,433,160,301,252.70/12,472,654.80
  6. Step 6: Final answer
    x = 10,617,880.67

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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.