Home / 20,262,645.66-27,962,460.18-10,970,215.68

Finding the Fourth Proportional to 20,262,645.66, 27,962,460.18 and 10,970,215.68

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Solution

The fourth proportional to 20,262,645.66, 27,962,460.18 and 10,970,215.68 is: 15,138,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,645.66 : 27,962,460.18 = 10,970,215.68 : x
  2. Step 2: Convert to fraction form
    20,262,645.66/27,962,460.18 = 10,970,215.68/x
  3. Step 3: Cross multiply
    20,262,645.66x = 27,962,460.18 × 10,970,215.68
  4. Step 4: Simplify right side
    20,262,645.66x = 306,754,219,118,011.62
  5. Step 5: Solve for x
    x = 306,754,219,118,011.62/20,262,645.66
  6. Step 6: Final answer
    x = 15,138,902.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.