Home / 12,360,807.60-18,549,084.60-7,243,227.60

Finding the Fourth Proportional to 12,360,807.60, 18,549,084.60 and 7,243,227.60

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Solution

The fourth proportional to 12,360,807.60, 18,549,084.60 and 7,243,227.60 is: 10,869,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,807.60 : 18,549,084.60 = 7,243,227.60 : x
  2. Step 2: Convert to fraction form
    12,360,807.60/18,549,084.60 = 7,243,227.60/x
  3. Step 3: Cross multiply
    12,360,807.60x = 18,549,084.60 × 7,243,227.60
  4. Step 4: Simplify right side
    12,360,807.60x = 134,355,241,529,454.97
  5. Step 5: Solve for x
    x = 134,355,241,529,454.97/12,360,807.60
  6. Step 6: Final answer
    x = 10,869,454.96

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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.