Home / 22,129,848.56-30,539,191.03-12,962,491.31

Finding the Fourth Proportional to 22,129,848.56, 30,539,191.03 and 12,962,491.31

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Solution

The fourth proportional to 22,129,848.56, 30,539,191.03 and 12,962,491.31 is: 17,888,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129,848.56 : 30,539,191.03 = 12,962,491.31 : x
  2. Step 2: Convert to fraction form
    22,129,848.56/30,539,191.03 = 12,962,491.31/x
  3. Step 3: Cross multiply
    22,129,848.56x = 30,539,191.03 × 12,962,491.31
  4. Step 4: Simplify right side
    22,129,848.56x = 395,863,998,384,746.69
  5. Step 5: Solve for x
    x = 395,863,998,384,746.69/22,129,848.56
  6. Step 6: Final answer
    x = 17,888,238.02

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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.