Home / 11,235,064.51-15,520,261.40-8,940,289.15

Finding the Fourth Proportional to 11,235,064.51, 15,520,261.40 and 8,940,289.15

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Solution

The fourth proportional to 11,235,064.51, 15,520,261.40 and 8,940,289.15 is: 12,350,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235,064.51 : 15,520,261.40 = 8,940,289.15 : x
  2. Step 2: Convert to fraction form
    11,235,064.51/15,520,261.40 = 8,940,289.15/x
  3. Step 3: Cross multiply
    11,235,064.51x = 15,520,261.40 × 8,940,289.15
  4. Step 4: Simplify right side
    11,235,064.51x = 138,755,624,599,583.81
  5. Step 5: Solve for x
    x = 138,755,624,599,583.81/11,235,064.51
  6. Step 6: Final answer
    x = 12,350,229.45

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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.