Home / 12,442,961.40-18,664,442.10-10,317,197.40

Finding the Fourth Proportional to 12,442,961.40, 18,664,442.10 and 10,317,197.40

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Solution

The fourth proportional to 12,442,961.40, 18,664,442.10 and 10,317,197.40 is: 15,475,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,961.40 : 18,664,442.10 = 10,317,197.40 : x
  2. Step 2: Convert to fraction form
    12,442,961.40/18,664,442.10 = 10,317,197.40/x
  3. Step 3: Cross multiply
    12,442,961.40x = 18,664,442.10 × 10,317,197.40
  4. Step 4: Simplify right side
    12,442,961.40x = 192,564,733,506,570.56
  5. Step 5: Solve for x
    x = 192,564,733,506,570.56/12,442,961.40
  6. Step 6: Final answer
    x = 15,475,796.10

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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.