Home / 19,082,672.64-26,371,872-15,639,482.88

Finding the Fourth Proportional to 19,082,672.64, 26,371,872 and 15,639,482.88

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Solution

The fourth proportional to 19,082,672.64, 26,371,872 and 15,639,482.88 is: 21,613,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082,672.64 : 26,371,872 = 15,639,482.88 : x
  2. Step 2: Convert to fraction form
    19,082,672.64/26,371,872 = 15,639,482.88/x
  3. Step 3: Cross multiply
    19,082,672.64x = 26,371,872 × 15,639,482.88
  4. Step 4: Simplify right side
    19,082,672.64x = 412,442,440,657,551.38
  5. Step 5: Solve for x
    x = 412,442,440,657,551.38/19,082,672.64
  6. Step 6: Final answer
    x = 21,613,452.60

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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.