Home / 12,588,575.20-18,889,006.80-5,853,522.40

Finding the Fourth Proportional to 12,588,575.20, 18,889,006.80 and 5,853,522.40

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Solution

The fourth proportional to 12,588,575.20, 18,889,006.80 and 5,853,522.40 is: 8,783,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,575.20 : 18,889,006.80 = 5,853,522.40 : x
  2. Step 2: Convert to fraction form
    12,588,575.20/18,889,006.80 = 5,853,522.40/x
  3. Step 3: Cross multiply
    12,588,575.20x = 18,889,006.80 × 5,853,522.40
  4. Step 4: Simplify right side
    12,588,575.20x = 110,567,224,417,552.33
  5. Step 5: Solve for x
    x = 110,567,224,417,552.33/12,588,575.20
  6. Step 6: Final answer
    x = 8,783,140.48

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1.5x scale

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.