Home / 12,442,868.40-18,664,302.60-10,317,104.40

Finding the Fourth Proportional to 12,442,868.40, 18,664,302.60 and 10,317,104.40

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Solution

The fourth proportional to 12,442,868.40, 18,664,302.60 and 10,317,104.40 is: 15,475,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,868.40 : 18,664,302.60 = 10,317,104.40 : x
  2. Step 2: Convert to fraction form
    12,442,868.40/18,664,302.60 = 10,317,104.40/x
  3. Step 3: Cross multiply
    12,442,868.40x = 18,664,302.60 × 10,317,104.40
  4. Step 4: Simplify right side
    12,442,868.40x = 192,561,558,477,391.47
  5. Step 5: Solve for x
    x = 192,561,558,477,391.47/12,442,868.40
  6. Step 6: Final answer
    x = 15,475,656.60

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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.