Home / 21,707,482.96-29,957,168.92-11,918,339.74

Finding the Fourth Proportional to 21,707,482.96, 29,957,168.92 and 11,918,339.74

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Solution

The fourth proportional to 21,707,482.96, 29,957,168.92 and 11,918,339.74 is: 16,447,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707,482.96 : 29,957,168.92 = 11,918,339.74 : x
  2. Step 2: Convert to fraction form
    21,707,482.96/29,957,168.92 = 11,918,339.74/x
  3. Step 3: Cross multiply
    21,707,482.96x = 29,957,168.92 × 11,918,339.74
  4. Step 4: Simplify right side
    21,707,482.96x = 357,039,716,732,440.12
  5. Step 5: Solve for x
    x = 357,039,716,732,440.12/21,707,482.96
  6. Step 6: Final answer
    x = 16,447,771.37

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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.