Home / 9,048,844.80-12,487,219.20-5,428,339.20

Finding the Fourth Proportional to 9,048,844.80, 12,487,219.20 and 5,428,339.20

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Solution

The fourth proportional to 9,048,844.80, 12,487,219.20 and 5,428,339.20 is: 7,490,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048,844.80 : 12,487,219.20 = 5,428,339.20 : x
  2. Step 2: Convert to fraction form
    9,048,844.80/12,487,219.20 = 5,428,339.20/x
  3. Step 3: Cross multiply
    9,048,844.80x = 12,487,219.20 × 5,428,339.20
  4. Step 4: Simplify right side
    9,048,844.80x = 67,784,861,482,352.64
  5. Step 5: Solve for x
    x = 67,784,861,482,352.64/9,048,844.80
  6. Step 6: Final answer
    x = 7,490,996.14

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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.