Home / 12,462,362.60-18,693,543.90-9,942,938.60

Finding the Fourth Proportional to 12,462,362.60, 18,693,543.90 and 9,942,938.60

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Solution

The fourth proportional to 12,462,362.60, 18,693,543.90 and 9,942,938.60 is: 14,914,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,362.60 : 18,693,543.90 = 9,942,938.60 : x
  2. Step 2: Convert to fraction form
    12,462,362.60/18,693,543.90 = 9,942,938.60/x
  3. Step 3: Cross multiply
    12,462,362.60x = 18,693,543.90 × 9,942,938.60
  4. Step 4: Simplify right side
    12,462,362.60x = 185,868,759,214,104.53
  5. Step 5: Solve for x
    x = 185,868,759,214,104.53/12,462,362.60
  6. Step 6: Final answer
    x = 14,914,407.90

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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.