Home / 30,545,667.44-42,153,898.20-18,625,180.34

Finding the Fourth Proportional to 30,545,667.44, 42,153,898.20 and 18,625,180.34

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Solution

The fourth proportional to 30,545,667.44, 42,153,898.20 and 18,625,180.34 is: 25,703,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545,667.44 : 42,153,898.20 = 18,625,180.34 : x
  2. Step 2: Convert to fraction form
    30,545,667.44/42,153,898.20 = 18,625,180.34/x
  3. Step 3: Cross multiply
    30,545,667.44x = 42,153,898.20 × 18,625,180.34
  4. Step 4: Simplify right side
    30,545,667.44x = 785,123,955,798,232
  5. Step 5: Solve for x
    x = 785,123,955,798,232/30,545,667.44
  6. Step 6: Final answer
    x = 25,703,283.69

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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.