Home / 21,023,765.55-31,535,648.33-5,671,025.55

Finding the Fourth Proportional to 21,023,765.55, 31,535,648.33 and 5,671,025.55

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Solution

The fourth proportional to 21,023,765.55, 31,535,648.33 and 5,671,025.55 is: 8,506,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023,765.55 : 31,535,648.33 = 5,671,025.55 : x
  2. Step 2: Convert to fraction form
    21,023,765.55/31,535,648.33 = 5,671,025.55/x
  3. Step 3: Cross multiply
    21,023,765.55x = 31,535,648.33 × 5,671,025.55
  4. Step 4: Simplify right side
    21,023,765.55x = 178,839,467,386,889.69
  5. Step 5: Solve for x
    x = 178,839,467,386,889.69/21,023,765.55
  6. Step 6: Final answer
    x = 8,506,538.33

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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.