Home / 22,779,425.84-31,450,278.94-20,327,820.72

Finding the Fourth Proportional to 22,779,425.84, 31,450,278.94 and 20,327,820.72

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Solution

The fourth proportional to 22,779,425.84, 31,450,278.94 and 20,327,820.72 is: 28,065,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779,425.84 : 31,450,278.94 = 20,327,820.72 : x
  2. Step 2: Convert to fraction form
    22,779,425.84/31,450,278.94 = 20,327,820.72/x
  3. Step 3: Cross multiply
    22,779,425.84x = 31,450,278.94 × 20,327,820.72
  4. Step 4: Simplify right side
    22,779,425.84x = 639,315,631,886,311.62
  5. Step 5: Solve for x
    x = 639,315,631,886,311.62/22,779,425.84
  6. Step 6: Final answer
    x = 28,065,484.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.