Home / 40,416,984.32-55,775,458.73-21,832,123.50

Finding the Fourth Proportional to 40,416,984.32, 55,775,458.73 and 21,832,123.50

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Solution

The fourth proportional to 40,416,984.32, 55,775,458.73 and 21,832,123.50 is: 30,128,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416,984.32 : 55,775,458.73 = 21,832,123.50 : x
  2. Step 2: Convert to fraction form
    40,416,984.32/55,775,458.73 = 21,832,123.50/x
  3. Step 3: Cross multiply
    40,416,984.32x = 55,775,458.73 × 21,832,123.50
  4. Step 4: Simplify right side
    40,416,984.32x = 1,217,696,703,317,093.50
  5. Step 5: Solve for x
    x = 1,217,696,703,317,093.50/40,416,984.32
  6. Step 6: Final answer
    x = 30,128,341.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.