Home / 12,435,856.56-18,657,245.55-5,425,585.48

Finding the Fourth Proportional to 12,435,856.56, 18,657,245.55 and 5,425,585.48

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Solution

The fourth proportional to 12,435,856.56, 18,657,245.55 and 5,425,585.48 is: 8,139,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435,856.56 : 18,657,245.55 = 5,425,585.48 : x
  2. Step 2: Convert to fraction form
    12,435,856.56/18,657,245.55 = 5,425,585.48/x
  3. Step 3: Cross multiply
    12,435,856.56x = 18,657,245.55 × 5,425,585.48
  4. Step 4: Simplify right side
    12,435,856.56x = 101,226,480,566,023.19
  5. Step 5: Solve for x
    x = 101,226,480,566,023.19/12,435,856.56
  6. Step 6: Final answer
    x = 8,139,888.08

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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.