Home / 15,223,574.22-21,008,520.18-8,254,482.72

Finding the Fourth Proportional to 15,223,574.22, 21,008,520.18 and 8,254,482.72

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Solution

The fourth proportional to 15,223,574.22, 21,008,520.18 and 8,254,482.72 is: 11,391,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223,574.22 : 21,008,520.18 = 8,254,482.72 : x
  2. Step 2: Convert to fraction form
    15,223,574.22/21,008,520.18 = 8,254,482.72/x
  3. Step 3: Cross multiply
    15,223,574.22x = 21,008,520.18 × 8,254,482.72
  4. Step 4: Simplify right side
    15,223,574.22x = 173,414,466,798,581.28
  5. Step 5: Solve for x
    x = 173,414,466,798,581.28/15,223,574.22
  6. Step 6: Final answer
    x = 11,391,179.51

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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.