Home / 12,062,715.20-18,097,280.40-5,236,359.20

Finding the Fourth Proportional to 12,062,715.20, 18,097,280.40 and 5,236,359.20

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Solution

The fourth proportional to 12,062,715.20, 18,097,280.40 and 5,236,359.20 is: 7,855,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,715.20 : 18,097,280.40 = 5,236,359.20 : x
  2. Step 2: Convert to fraction form
    12,062,715.20/18,097,280.40 = 5,236,359.20/x
  3. Step 3: Cross multiply
    12,062,715.20x = 18,097,280.40 × 5,236,359.20
  4. Step 4: Simplify right side
    12,062,715.20x = 94,763,860,717,519.67
  5. Step 5: Solve for x
    x = 94,763,860,717,519.67/12,062,715.20
  6. Step 6: Final answer
    x = 7,855,931.20

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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.