Home / 12,483,909.60-18,725,864.40-8,004,933.60

Finding the Fourth Proportional to 12,483,909.60, 18,725,864.40 and 8,004,933.60

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Solution

The fourth proportional to 12,483,909.60, 18,725,864.40 and 8,004,933.60 is: 12,007,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,909.60 : 18,725,864.40 = 8,004,933.60 : x
  2. Step 2: Convert to fraction form
    12,483,909.60/18,725,864.40 = 8,004,933.60/x
  3. Step 3: Cross multiply
    12,483,909.60x = 18,725,864.40 × 8,004,933.60
  4. Step 4: Simplify right side
    12,483,909.60x = 149,899,301,124,603.81
  5. Step 5: Solve for x
    x = 149,899,301,124,603.81/12,483,909.60
  6. Step 6: Final answer
    x = 12,007,400.40

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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.