Home / 20,897,141.80-31,345,712.70-5,544,401.80

Finding the Fourth Proportional to 20,897,141.80, 31,345,712.70 and 5,544,401.80

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Solution

The fourth proportional to 20,897,141.80, 31,345,712.70 and 5,544,401.80 is: 8,316,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897,141.80 : 31,345,712.70 = 5,544,401.80 : x
  2. Step 2: Convert to fraction form
    20,897,141.80/31,345,712.70 = 5,544,401.80/x
  3. Step 3: Cross multiply
    20,897,141.80x = 31,345,712.70 × 5,544,401.80
  4. Step 4: Simplify right side
    20,897,141.80x = 173,793,225,916,162.84
  5. Step 5: Solve for x
    x = 173,793,225,916,162.84/20,897,141.80
  6. Step 6: Final answer
    x = 8,316,602.70

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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.