Home / 7,381,246.80-11,071,870.20-4,139,456.70

Finding the Fourth Proportional to 7,381,246.80, 11,071,870.20 and 4,139,456.70

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Solution

The fourth proportional to 7,381,246.80, 11,071,870.20 and 4,139,456.70 is: 6,209,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,246.80 : 11,071,870.20 = 4,139,456.70 : x
  2. Step 2: Convert to fraction form
    7,381,246.80/11,071,870.20 = 4,139,456.70/x
  3. Step 3: Cross multiply
    7,381,246.80x = 11,071,870.20 × 4,139,456.70
  4. Step 4: Simplify right side
    7,381,246.80x = 45,831,527,280,920.34
  5. Step 5: Solve for x
    x = 45,831,527,280,920.34/7,381,246.80
  6. Step 6: Final answer
    x = 6,209,185.05

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1.5x scale

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.