Home / 21,019,024.80-31,528,537.20-5,872,956.30

Finding the Fourth Proportional to 21,019,024.80, 31,528,537.20 and 5,872,956.30

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Solution

The fourth proportional to 21,019,024.80, 31,528,537.20 and 5,872,956.30 is: 8,809,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,024.80 : 31,528,537.20 = 5,872,956.30 : x
  2. Step 2: Convert to fraction form
    21,019,024.80/31,528,537.20 = 5,872,956.30/x
  3. Step 3: Cross multiply
    21,019,024.80x = 31,528,537.20 × 5,872,956.30
  4. Step 4: Simplify right side
    21,019,024.80x = 185,165,721,178,524.34
  5. Step 5: Solve for x
    x = 185,165,721,178,524.34/21,019,024.80
  6. Step 6: Final answer
    x = 8,809,434.45

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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.