Home / 20,967,847.25-28,935,353.29-11,548,457.35

Finding the Fourth Proportional to 20,967,847.25, 28,935,353.29 and 11,548,457.35

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Solution

The fourth proportional to 20,967,847.25, 28,935,353.29 and 11,548,457.35 is: 15,936,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,847.25 : 28,935,353.29 = 11,548,457.35 : x
  2. Step 2: Convert to fraction form
    20,967,847.25/28,935,353.29 = 11,548,457.35/x
  3. Step 3: Cross multiply
    20,967,847.25x = 28,935,353.29 × 11,548,457.35
  4. Step 4: Simplify right side
    20,967,847.25x = 334,158,693,376,747.19
  5. Step 5: Solve for x
    x = 334,158,693,376,747.19/20,967,847.25
  6. Step 6: Final answer
    x = 15,936,719.18

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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.