Home / 12,386,314.60-18,593,468.70-7,340,468.20

Finding the Fourth Proportional to 12,386,314.60, 18,593,468.70 and 7,340,468.20

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Solution

The fourth proportional to 12,386,314.60, 18,593,468.70 and 7,340,468.20 is: 11,018,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,314.60 : 18,593,468.70 = 7,340,468.20 : x
  2. Step 2: Convert to fraction form
    12,386,314.60/18,593,468.70 = 7,340,468.20/x
  3. Step 3: Cross multiply
    12,386,314.60x = 18,593,468.70 × 7,340,468.20
  4. Step 4: Simplify right side
    12,386,314.60x = 136,484,765,720,045.34
  5. Step 5: Solve for x
    x = 136,484,765,720,045.34/12,386,314.60
  6. Step 6: Final answer
    x = 11,018,997.19

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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.