Home / 12,588,515.20-18,888,916.80-5,853,462.40

Finding the Fourth Proportional to 12,588,515.20, 18,888,916.80 and 5,853,462.40

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Solution

The fourth proportional to 12,588,515.20, 18,888,916.80 and 5,853,462.40 is: 8,783,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,515.20 : 18,888,916.80 = 5,853,462.40 : x
  2. Step 2: Convert to fraction form
    12,588,515.20/18,888,916.80 = 5,853,462.40/x
  3. Step 3: Cross multiply
    12,588,515.20x = 18,888,916.80 × 5,853,462.40
  4. Step 4: Simplify right side
    12,588,515.20x = 110,565,564,265,528.33
  5. Step 5: Solve for x
    x = 110,565,564,265,528.33/12,588,515.20
  6. Step 6: Final answer
    x = 8,783,050.46

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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.