Home / 12,442,975.40-18,664,463.10-10,317,211.40

Finding the Fourth Proportional to 12,442,975.40, 18,664,463.10 and 10,317,211.40

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Solution

The fourth proportional to 12,442,975.40, 18,664,463.10 and 10,317,211.40 is: 15,475,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,975.40 : 18,664,463.10 = 10,317,211.40 : x
  2. Step 2: Convert to fraction form
    12,442,975.40/18,664,463.10 = 10,317,211.40/x
  3. Step 3: Cross multiply
    12,442,975.40x = 18,664,463.10 × 10,317,211.40
  4. Step 4: Simplify right side
    12,442,975.40x = 192,565,211,470,199.38
  5. Step 5: Solve for x
    x = 192,565,211,470,199.38/12,442,975.40
  6. Step 6: Final answer
    x = 15,475,817.10

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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.