Home / 12,220,104.60-18,341,966.70-7,437,135.60

Finding the Fourth Proportional to 12,220,104.60, 18,341,966.70 and 7,437,135.60

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Solution

The fourth proportional to 12,220,104.60, 18,341,966.70 and 7,437,135.60 is: 11,162,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,104.60 : 18,341,966.70 = 7,437,135.60 : x
  2. Step 2: Convert to fraction form
    12,220,104.60/18,341,966.70 = 7,437,135.60/x
  3. Step 3: Cross multiply
    12,220,104.60x = 18,341,966.70 × 7,437,135.60
  4. Step 4: Simplify right side
    12,220,104.60x = 136,411,693,518,584.50
  5. Step 5: Solve for x
    x = 136,411,693,518,584.50/12,220,104.60
  6. Step 6: Final answer
    x = 11,162,890.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.