Home / 12,006,575.79-18,009,799.01-2,908,668.78

Finding the Fourth Proportional to 12,006,575.79, 18,009,799.01 and 2,908,668.78

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Solution

The fourth proportional to 12,006,575.79, 18,009,799.01 and 2,908,668.78 is: 4,362,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006,575.79 : 18,009,799.01 = 2,908,668.78 : x
  2. Step 2: Convert to fraction form
    12,006,575.79/18,009,799.01 = 2,908,668.78/x
  3. Step 3: Cross multiply
    12,006,575.79x = 18,009,799.01 × 2,908,668.78
  4. Step 4: Simplify right side
    12,006,575.79x = 52,384,540,110,826.06
  5. Step 5: Solve for x
    x = 52,384,540,110,826.06/12,006,575.79
  6. Step 6: Final answer
    x = 4,362,987.50

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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.