Home / 7,341,986.80-11,012,980.20-4,472,205.40

Finding the Fourth Proportional to 7,341,986.80, 11,012,980.20 and 4,472,205.40

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Solution

The fourth proportional to 7,341,986.80, 11,012,980.20 and 4,472,205.40 is: 6,708,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,986.80 : 11,012,980.20 = 4,472,205.40 : x
  2. Step 2: Convert to fraction form
    7,341,986.80/11,012,980.20 = 4,472,205.40/x
  3. Step 3: Cross multiply
    7,341,986.80x = 11,012,980.20 × 4,472,205.40
  4. Step 4: Simplify right side
    7,341,986.80x = 49,252,309,520,533.08
  5. Step 5: Solve for x
    x = 49,252,309,520,533.08/7,341,986.80
  6. Step 6: Final answer
    x = 6,708,308.10

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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.