Home / 12,302,423.55-18,453,635.33-5,111,567.55

Finding the Fourth Proportional to 12,302,423.55, 18,453,635.33 and 5,111,567.55

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Solution

The fourth proportional to 12,302,423.55, 18,453,635.33 and 5,111,567.55 is: 7,667,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,423.55 : 18,453,635.33 = 5,111,567.55 : x
  2. Step 2: Convert to fraction form
    12,302,423.55/18,453,635.33 = 5,111,567.55/x
  3. Step 3: Cross multiply
    12,302,423.55x = 18,453,635.33 × 5,111,567.55
  4. Step 4: Simplify right side
    12,302,423.55x = 94,327,003,506,803.70
  5. Step 5: Solve for x
    x = 94,327,003,506,803.70/12,302,423.55
  6. Step 6: Final answer
    x = 7,667,351.33

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Similar ratio
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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.