Home / 21,549,271.20-32,339,653.20-15,171,979.20

Finding the Fourth Proportional to 21,549,271.20, 32,339,653.20 and 15,171,979.20

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Solution

The fourth proportional to 21,549,271.20, 32,339,653.20 and 15,171,979.20 is: 22,769,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,271.20 : 32,339,653.20 = 15,171,979.20 : x
  2. Step 2: Convert to fraction form
    21,549,271.20/32,339,653.20 = 15,171,979.20/x
  3. Step 3: Cross multiply
    21,549,271.20x = 32,339,653.20 × 15,171,979.20
  4. Step 4: Simplify right side
    21,549,271.20x = 490,656,545,685,613.38
  5. Step 5: Solve for x
    x = 490,656,545,685,613.38/21,549,271.20
  6. Step 6: Final answer
    x = 22,769,055.21

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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.