Home / 10,915,521.80-15,063,156.12-6,020,638.74

Finding the Fourth Proportional to 10,915,521.80, 15,063,156.12 and 6,020,638.74

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Solution

The fourth proportional to 10,915,521.80, 15,063,156.12 and 6,020,638.74 is: 8,308,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,521.80 : 15,063,156.12 = 6,020,638.74 : x
  2. Step 2: Convert to fraction form
    10,915,521.80/15,063,156.12 = 6,020,638.74/x
  3. Step 3: Cross multiply
    10,915,521.80x = 15,063,156.12 × 6,020,638.74
  4. Step 4: Simplify right side
    10,915,521.80x = 90,689,821,282,740.09
  5. Step 5: Solve for x
    x = 90,689,821,282,740.09/10,915,521.80
  6. Step 6: Final answer
    x = 8,308,335.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.