Home / 11,944,145.21-16,482,722.54-6,645,641.51

Finding the Fourth Proportional to 11,944,145.21, 16,482,722.54 and 6,645,641.51

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Solution

The fourth proportional to 11,944,145.21, 16,482,722.54 and 6,645,641.51 is: 9,170,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944,145.21 : 16,482,722.54 = 6,645,641.51 : x
  2. Step 2: Convert to fraction form
    11,944,145.21/16,482,722.54 = 6,645,641.51/x
  3. Step 3: Cross multiply
    11,944,145.21x = 16,482,722.54 × 6,645,641.51
  4. Step 4: Simplify right side
    11,944,145.21x = 109,538,265,117,615.23
  5. Step 5: Solve for x
    x = 109,538,265,117,615.23/11,944,145.21
  6. Step 6: Final answer
    x = 9,170,875.21

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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.