Home / 12,026,343.90-18,018,520.65-10,346,727.90

Finding the Fourth Proportional to 12,026,343.90, 18,018,520.65 and 10,346,727.90

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Solution

The fourth proportional to 12,026,343.90, 18,018,520.65 and 10,346,727.90 is: 15,502,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,343.90 : 18,018,520.65 = 10,346,727.90 : x
  2. Step 2: Convert to fraction form
    12,026,343.90/18,018,520.65 = 10,346,727.90/x
  3. Step 3: Cross multiply
    12,026,343.90x = 18,018,520.65 × 10,346,727.90
  4. Step 4: Simplify right side
    12,026,343.90x = 186,432,730,326,081.12
  5. Step 5: Solve for x
    x = 186,432,730,326,081.12/12,026,343.90
  6. Step 6: Final answer
    x = 15,502,028.87

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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.