Home / 7,490,448.60-11,235,672.90-6,734,621.40

Finding the Fourth Proportional to 7,490,448.60, 11,235,672.90 and 6,734,621.40

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Solution

The fourth proportional to 7,490,448.60, 11,235,672.90 and 6,734,621.40 is: 10,101,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,448.60 : 11,235,672.90 = 6,734,621.40 : x
  2. Step 2: Convert to fraction form
    7,490,448.60/11,235,672.90 = 6,734,621.40/x
  3. Step 3: Cross multiply
    7,490,448.60x = 11,235,672.90 × 6,734,621.40
  4. Step 4: Simplify right side
    7,490,448.60x = 75,668,003,155,740.06
  5. Step 5: Solve for x
    x = 75,668,003,155,740.06/7,490,448.60
  6. Step 6: Final answer
    x = 10,101,932.10

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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.