Home / 12,299,291.28-18,447,044.76-4,102,078.32

Finding the Fourth Proportional to 12,299,291.28, 18,447,044.76 and 4,102,078.32

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Solution

The fourth proportional to 12,299,291.28, 18,447,044.76 and 4,102,078.32 is: 6,152,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,291.28 : 18,447,044.76 = 4,102,078.32 : x
  2. Step 2: Convert to fraction form
    12,299,291.28/18,447,044.76 = 4,102,078.32/x
  3. Step 3: Cross multiply
    12,299,291.28x = 18,447,044.76 × 4,102,078.32
  4. Step 4: Simplify right side
    12,299,291.28x = 75,671,222,378,065.61
  5. Step 5: Solve for x
    x = 75,671,222,378,065.61/12,299,291.28
  6. Step 6: Final answer
    x = 6,152,486.40

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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.