Home / 12,011,610.30-18,017,415.45-11,885,639.10

Finding the Fourth Proportional to 12,011,610.30, 18,017,415.45 and 11,885,639.10

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Solution

The fourth proportional to 12,011,610.30, 18,017,415.45 and 11,885,639.10 is: 17,828,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,610.30 : 18,017,415.45 = 11,885,639.10 : x
  2. Step 2: Convert to fraction form
    12,011,610.30/18,017,415.45 = 11,885,639.10/x
  3. Step 3: Cross multiply
    12,011,610.30x = 18,017,415.45 × 11,885,639.10
  4. Step 4: Simplify right side
    12,011,610.30x = 214,148,497,553,464.09
  5. Step 5: Solve for x
    x = 214,148,497,553,464.09/12,011,610.30
  6. Step 6: Final answer
    x = 17,828,458.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.