Home / 20,744,710.70-31,117,066.05-11,178,772.70

Finding the Fourth Proportional to 20,744,710.70, 31,117,066.05 and 11,178,772.70

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Solution

The fourth proportional to 20,744,710.70, 31,117,066.05 and 11,178,772.70 is: 16,768,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,710.70 : 31,117,066.05 = 11,178,772.70 : x
  2. Step 2: Convert to fraction form
    20,744,710.70/31,117,066.05 = 11,178,772.70/x
  3. Step 3: Cross multiply
    20,744,710.70x = 31,117,066.05 × 11,178,772.70
  4. Step 4: Simplify right side
    20,744,710.70x = 347,850,608,463,836.81
  5. Step 5: Solve for x
    x = 347,850,608,463,836.81/20,744,710.70
  6. Step 6: Final answer
    x = 16,768,159.05

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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.