Home / 30,921,251.40-46,381,877.10-28,084,566.60

Finding the Fourth Proportional to 30,921,251.40, 46,381,877.10 and 28,084,566.60

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Solution

The fourth proportional to 30,921,251.40, 46,381,877.10 and 28,084,566.60 is: 42,126,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,251.40 : 46,381,877.10 = 28,084,566.60 : x
  2. Step 2: Convert to fraction form
    30,921,251.40/46,381,877.10 = 28,084,566.60/x
  3. Step 3: Cross multiply
    30,921,251.40x = 46,381,877.10 × 28,084,566.60
  4. Step 4: Simplify right side
    30,921,251.40x = 1,302,614,916,447,965
  5. Step 5: Solve for x
    x = 1,302,614,916,447,965/30,921,251.40
  6. Step 6: Final answer
    x = 42,126,849.90

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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.