Home / 12,223,811.40-18,335,717.10-3,703,040.70

Finding the Fourth Proportional to 12,223,811.40, 18,335,717.10 and 3,703,040.70

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Solution

The fourth proportional to 12,223,811.40, 18,335,717.10 and 3,703,040.70 is: 5,554,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,811.40 : 18,335,717.10 = 3,703,040.70 : x
  2. Step 2: Convert to fraction form
    12,223,811.40/18,335,717.10 = 3,703,040.70/x
  3. Step 3: Cross multiply
    12,223,811.40x = 18,335,717.10 × 3,703,040.70
  4. Step 4: Simplify right side
    12,223,811.40x = 67,897,906,684,985.98
  5. Step 5: Solve for x
    x = 67,897,906,684,985.98/12,223,811.40
  6. Step 6: Final answer
    x = 5,554,561.05

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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.