Home / 12,360,917.60-18,549,249.60-7,243,337.60

Finding the Fourth Proportional to 12,360,917.60, 18,549,249.60 and 7,243,337.60

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Solution

The fourth proportional to 12,360,917.60, 18,549,249.60 and 7,243,337.60 is: 10,869,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,917.60 : 18,549,249.60 = 7,243,337.60 : x
  2. Step 2: Convert to fraction form
    12,360,917.60/18,549,249.60 = 7,243,337.60/x
  3. Step 3: Cross multiply
    12,360,917.60x = 18,549,249.60 × 7,243,337.60
  4. Step 4: Simplify right side
    12,360,917.60x = 134,358,477,079,464.97
  5. Step 5: Solve for x
    x = 134,358,477,079,464.97/12,360,917.60
  6. Step 6: Final answer
    x = 10,869,619.99

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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.