Home / 20,313,528.30-28,027,246.39-12,046,717.51

Finding the Fourth Proportional to 20,313,528.30, 28,027,246.39 and 12,046,717.51

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Solution

The fourth proportional to 20,313,528.30, 28,027,246.39 and 12,046,717.51 is: 16,621,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,528.30 : 28,027,246.39 = 12,046,717.51 : x
  2. Step 2: Convert to fraction form
    20,313,528.30/28,027,246.39 = 12,046,717.51/x
  3. Step 3: Cross multiply
    20,313,528.30x = 28,027,246.39 × 12,046,717.51
  4. Step 4: Simplify right side
    20,313,528.30x = 337,636,319,743,312.38
  5. Step 5: Solve for x
    x = 337,636,319,743,312.38/20,313,528.30
  6. Step 6: Final answer
    x = 16,621,254.31

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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.