Home / 13,670,437.50-18,858,325.50-9,019,320.30

Finding the Fourth Proportional to 13,670,437.50, 18,858,325.50 and 9,019,320.30

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Solution

The fourth proportional to 13,670,437.50, 18,858,325.50 and 9,019,320.30 is: 12,442,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670,437.50 : 18,858,325.50 = 9,019,320.30 : x
  2. Step 2: Convert to fraction form
    13,670,437.50/18,858,325.50 = 9,019,320.30/x
  3. Step 3: Cross multiply
    13,670,437.50x = 18,858,325.50 × 9,019,320.30
  4. Step 4: Simplify right side
    13,670,437.50x = 170,089,278,006,157.66
  5. Step 5: Solve for x
    x = 170,089,278,006,157.66/13,670,437.50
  6. Step 6: Final answer
    x = 12,442,123.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.