Home / 21,888,045.55-32,832,068.33-20,712,314.35

Finding the Fourth Proportional to 21,888,045.55, 32,832,068.33 and 20,712,314.35

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Solution

The fourth proportional to 21,888,045.55, 32,832,068.33 and 20,712,314.35 is: 31,068,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,045.55 : 32,832,068.33 = 20,712,314.35 : x
  2. Step 2: Convert to fraction form
    21,888,045.55/32,832,068.33 = 20,712,314.35/x
  3. Step 3: Cross multiply
    21,888,045.55x = 32,832,068.33 × 20,712,314.35
  4. Step 4: Simplify right side
    21,888,045.55x = 680,028,119,908,078
  5. Step 5: Solve for x
    x = 680,028,119,908,078/21,888,045.55
  6. Step 6: Final answer
    x = 31,068,471.53

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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.