Home / 20,803,088.40-31,195,301.40-8,019,344.40

Finding the Fourth Proportional to 20,803,088.40, 31,195,301.40 and 8,019,344.40

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Solution

The fourth proportional to 20,803,088.40, 31,195,301.40 and 8,019,344.40 is: 12,025,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,088.40 : 31,195,301.40 = 8,019,344.40 : x
  2. Step 2: Convert to fraction form
    20,803,088.40/31,195,301.40 = 8,019,344.40/x
  3. Step 3: Cross multiply
    20,803,088.40x = 31,195,301.40 × 8,019,344.40
  4. Step 4: Simplify right side
    20,803,088.40x = 250,165,865,588,402.16
  5. Step 5: Solve for x
    x = 250,165,865,588,402.16/20,803,088.40
  6. Step 6: Final answer
    x = 12,025,419.53

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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.