Home / 20,210,697.40-30,344,039.70-15,955,670.20

Finding the Fourth Proportional to 20,210,697.40, 30,344,039.70 and 15,955,670.20

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Solution

The fourth proportional to 20,210,697.40, 30,344,039.70 and 15,955,670.20 is: 23,955,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,697.40 : 30,344,039.70 = 15,955,670.20 : x
  2. Step 2: Convert to fraction form
    20,210,697.40/30,344,039.70 = 15,955,670.20/x
  3. Step 3: Cross multiply
    20,210,697.40x = 30,344,039.70 × 15,955,670.20
  4. Step 4: Simplify right side
    20,210,697.40x = 484,159,489,988,906.88
  5. Step 5: Solve for x
    x = 484,159,489,988,906.88/20,210,697.40
  6. Step 6: Final answer
    x = 23,955,605.31

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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.