Home / 15,199,278.72-20,975,071.68-8,323,808.64

Finding the Fourth Proportional to 15,199,278.72, 20,975,071.68 and 8,323,808.64

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Solution

The fourth proportional to 15,199,278.72, 20,975,071.68 and 8,323,808.64 is: 11,486,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199,278.72 : 20,975,071.68 = 8,323,808.64 : x
  2. Step 2: Convert to fraction form
    15,199,278.72/20,975,071.68 = 8,323,808.64/x
  3. Step 3: Cross multiply
    15,199,278.72x = 20,975,071.68 × 8,323,808.64
  4. Step 4: Simplify right side
    15,199,278.72x = 174,592,482,874,603.31
  5. Step 5: Solve for x
    x = 174,592,482,874,603.31/15,199,278.72
  6. Step 6: Final answer
    x = 11,486,892.64

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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.