Home / 30,912,212.25-46,368,478.32-18,123,748.89

Finding the Fourth Proportional to 30,912,212.25, 46,368,478.32 and 18,123,748.89

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Solution

The fourth proportional to 30,912,212.25, 46,368,478.32 and 18,123,748.89 is: 27,185,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912,212.25 : 46,368,478.32 = 18,123,748.89 : x
  2. Step 2: Convert to fraction form
    30,912,212.25/46,368,478.32 = 18,123,748.89/x
  3. Step 3: Cross multiply
    30,912,212.25x = 46,368,478.32 × 18,123,748.89
  4. Step 4: Simplify right side
    30,912,212.25x = 840,370,657,299,203.75
  5. Step 5: Solve for x
    x = 840,370,657,299,203.75/30,912,212.25
  6. Step 6: Final answer
    x = 27,185,717.10

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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.