Home / 12,458,437.80-18,687,656.70-4,885,650.60

Finding the Fourth Proportional to 12,458,437.80, 18,687,656.70 and 4,885,650.60

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Solution

The fourth proportional to 12,458,437.80, 18,687,656.70 and 4,885,650.60 is: 7,328,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,437.80 : 18,687,656.70 = 4,885,650.60 : x
  2. Step 2: Convert to fraction form
    12,458,437.80/18,687,656.70 = 4,885,650.60/x
  3. Step 3: Cross multiply
    12,458,437.80x = 18,687,656.70 × 4,885,650.60
  4. Step 4: Simplify right side
    12,458,437.80x = 91,301,361,168,949.02
  5. Step 5: Solve for x
    x = 91,301,361,168,949.02/12,458,437.80
  6. Step 6: Final answer
    x = 7,328,475.90

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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.