Home / 30,623,235.96-45,941,444.16-15,278,777.40

Finding the Fourth Proportional to 30,623,235.96, 45,941,444.16 and 15,278,777.40

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Solution

The fourth proportional to 30,623,235.96, 45,941,444.16 and 15,278,777.40 is: 22,921,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623,235.96 : 45,941,444.16 = 15,278,777.40 : x
  2. Step 2: Convert to fraction form
    30,623,235.96/45,941,444.16 = 15,278,777.40/x
  3. Step 3: Cross multiply
    30,623,235.96x = 45,941,444.16 × 15,278,777.40
  4. Step 4: Simplify right side
    30,623,235.96x = 701,929,098,755,170
  5. Step 5: Solve for x
    x = 701,929,098,755,170/30,623,235.96
  6. Step 6: Final answer
    x = 22,921,454.14

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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.