Home / 9,408,436.62-12,990,955.95-7,229,545.26

Finding the Fourth Proportional to 9,408,436.62, 12,990,955.95 and 7,229,545.26

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Solution

The fourth proportional to 9,408,436.62, 12,990,955.95 and 7,229,545.26 is: 9,982,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408,436.62 : 12,990,955.95 = 7,229,545.26 : x
  2. Step 2: Convert to fraction form
    9,408,436.62/12,990,955.95 = 7,229,545.26/x
  3. Step 3: Cross multiply
    9,408,436.62x = 12,990,955.95 × 7,229,545.26
  4. Step 4: Simplify right side
    9,408,436.62x = 93,918,704,011,191.28
  5. Step 5: Solve for x
    x = 93,918,704,011,191.28/9,408,436.62
  6. Step 6: Final answer
    x = 9,982,392.17

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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.