Home / 12,458,216.70-18,687,325.05-9,098,984.70

Finding the Fourth Proportional to 12,458,216.70, 18,687,325.05 and 9,098,984.70

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Solution

The fourth proportional to 12,458,216.70, 18,687,325.05 and 9,098,984.70 is: 13,648,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,216.70 : 18,687,325.05 = 9,098,984.70 : x
  2. Step 2: Convert to fraction form
    12,458,216.70/18,687,325.05 = 9,098,984.70/x
  3. Step 3: Cross multiply
    12,458,216.70x = 18,687,325.05 × 9,098,984.70
  4. Step 4: Simplify right side
    12,458,216.70x = 170,035,684,713,876.72
  5. Step 5: Solve for x
    x = 170,035,684,713,876.72/12,458,216.70
  6. Step 6: Final answer
    x = 13,648,477.05

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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.