Home / 12,238,478.20-18,357,717.30-4,260,302.20

Finding the Fourth Proportional to 12,238,478.20, 18,357,717.30 and 4,260,302.20

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Solution

The fourth proportional to 12,238,478.20, 18,357,717.30 and 4,260,302.20 is: 6,390,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,478.20 : 18,357,717.30 = 4,260,302.20 : x
  2. Step 2: Convert to fraction form
    12,238,478.20/18,357,717.30 = 4,260,302.20/x
  3. Step 3: Cross multiply
    12,238,478.20x = 18,357,717.30 × 4,260,302.20
  4. Step 4: Simplify right side
    12,238,478.20x = 78,209,423,400,168.06
  5. Step 5: Solve for x
    x = 78,209,423,400,168.06/12,238,478.20
  6. Step 6: Final answer
    x = 6,390,453.30

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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.