Home / 20,996,042.70-31,494,064.05-5,039,690.70

Finding the Fourth Proportional to 20,996,042.70, 31,494,064.05 and 5,039,690.70

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Solution

The fourth proportional to 20,996,042.70, 31,494,064.05 and 5,039,690.70 is: 7,559,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,042.70 : 31,494,064.05 = 5,039,690.70 : x
  2. Step 2: Convert to fraction form
    20,996,042.70/31,494,064.05 = 5,039,690.70/x
  3. Step 3: Cross multiply
    20,996,042.70x = 31,494,064.05 × 5,039,690.70
  4. Step 4: Simplify right side
    20,996,042.70x = 158,720,341,697,989.34
  5. Step 5: Solve for x
    x = 158,720,341,697,989.34/20,996,042.70
  6. Step 6: Final answer
    x = 7,559,536.05

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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.