Home / 12,510,087.42-17,255,019.03-11,480,919.40

Finding the Fourth Proportional to 12,510,087.42, 17,255,019.03 and 11,480,919.40

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Solution

The fourth proportional to 12,510,087.42, 17,255,019.03 and 11,480,919.40 is: 15,835,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510,087.42 : 17,255,019.03 = 11,480,919.40 : x
  2. Step 2: Convert to fraction form
    12,510,087.42/17,255,019.03 = 11,480,919.40/x
  3. Step 3: Cross multiply
    12,510,087.42x = 17,255,019.03 × 11,480,919.40
  4. Step 4: Simplify right side
    12,510,087.42x = 198,103,482,610,352.06
  5. Step 5: Solve for x
    x = 198,103,482,610,352.06/12,510,087.42
  6. Step 6: Final answer
    x = 15,835,499.46

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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.