Home / 15,739,508.28-21,720,595.50-8,864,107.32

Finding the Fourth Proportional to 15,739,508.28, 21,720,595.50 and 8,864,107.32

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Solution

The fourth proportional to 15,739,508.28, 21,720,595.50 and 8,864,107.32 is: 12,232,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,508.28 : 21,720,595.50 = 8,864,107.32 : x
  2. Step 2: Convert to fraction form
    15,739,508.28/21,720,595.50 = 8,864,107.32/x
  3. Step 3: Cross multiply
    15,739,508.28x = 21,720,595.50 × 8,864,107.32
  4. Step 4: Simplify right side
    15,739,508.28x = 192,533,689,566,309.06
  5. Step 5: Solve for x
    x = 192,533,689,566,309.06/15,739,508.28
  6. Step 6: Final answer
    x = 12,232,509.82

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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.