Home / 20,835,497.40-31,253,246.10-12,773,340.60

Finding the Fourth Proportional to 20,835,497.40, 31,253,246.10 and 12,773,340.60

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Solution

The fourth proportional to 20,835,497.40, 31,253,246.10 and 12,773,340.60 is: 19,160,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835,497.40 : 31,253,246.10 = 12,773,340.60 : x
  2. Step 2: Convert to fraction form
    20,835,497.40/31,253,246.10 = 12,773,340.60/x
  3. Step 3: Cross multiply
    20,835,497.40x = 31,253,246.10 × 12,773,340.60
  4. Step 4: Simplify right side
    20,835,497.40x = 399,208,357,290,921.69
  5. Step 5: Solve for x
    x = 399,208,357,290,921.69/20,835,497.40
  6. Step 6: Final answer
    x = 19,160,010.90

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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.