Home / 21,023,764.80-31,535,647.20-5,671,024.80

Finding the Fourth Proportional to 21,023,764.80, 31,535,647.20 and 5,671,024.80

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Solution

The fourth proportional to 21,023,764.80, 31,535,647.20 and 5,671,024.80 is: 8,506,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023,764.80 : 31,535,647.20 = 5,671,024.80 : x
  2. Step 2: Convert to fraction form
    21,023,764.80/31,535,647.20 = 5,671,024.80/x
  3. Step 3: Cross multiply
    21,023,764.80x = 31,535,647.20 × 5,671,024.80
  4. Step 4: Simplify right side
    21,023,764.80x = 178,839,437,355,250.56
  5. Step 5: Solve for x
    x = 178,839,437,355,250.56/21,023,764.80
  6. Step 6: Final answer
    x = 8,506,537.20

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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.