Home / 20,733,053.70-31,099,580.55-9,218,498.70

Finding the Fourth Proportional to 20,733,053.70, 31,099,580.55 and 9,218,498.70

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Solution

The fourth proportional to 20,733,053.70, 31,099,580.55 and 9,218,498.70 is: 13,827,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,053.70 : 31,099,580.55 = 9,218,498.70 : x
  2. Step 2: Convert to fraction form
    20,733,053.70/31,099,580.55 = 9,218,498.70/x
  3. Step 3: Cross multiply
    20,733,053.70x = 31,099,580.55 × 9,218,498.70
  4. Step 4: Simplify right side
    20,733,053.70x = 286,691,442,870,720.25
  5. Step 5: Solve for x
    x = 286,691,442,870,720.25/20,733,053.70
  6. Step 6: Final answer
    x = 13,827,748.05

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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.