Home / 6,897,612.58-9,518,707.95-3,998,683.96

Finding the Fourth Proportional to 6,897,612.58, 9,518,707.95 and 3,998,683.96

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Solution

The fourth proportional to 6,897,612.58, 9,518,707.95 and 3,998,683.96 is: 5,518,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,612.58 : 9,518,707.95 = 3,998,683.96 : x
  2. Step 2: Convert to fraction form
    6,897,612.58/9,518,707.95 = 3,998,683.96/x
  3. Step 3: Cross multiply
    6,897,612.58x = 9,518,707.95 × 3,998,683.96
  4. Step 4: Simplify right side
    6,897,612.58x = 38,062,304,799,589.48
  5. Step 5: Solve for x
    x = 38,062,304,799,589.48/6,897,612.58
  6. Step 6: Final answer
    x = 5,518,185.37

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1.5x scale

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.