Home / 16,860,680.82-23,265,263.08-9,417,425.65

Finding the Fourth Proportional to 16,860,680.82, 23,265,263.08 and 9,417,425.65

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Solution

The fourth proportional to 16,860,680.82, 23,265,263.08 and 9,417,425.65 is: 12,994,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860,680.82 : 23,265,263.08 = 9,417,425.65 : x
  2. Step 2: Convert to fraction form
    16,860,680.82/23,265,263.08 = 9,417,425.65/x
  3. Step 3: Cross multiply
    16,860,680.82x = 23,265,263.08 × 9,417,425.65
  4. Step 4: Simplify right side
    16,860,680.82x = 219,098,885,201,883.31
  5. Step 5: Solve for x
    x = 219,098,885,201,883.31/16,860,680.82
  6. Step 6: Final answer
    x = 12,994,664.19

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1.5x scale

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.