Home / 15,034,551.29-20,736,960.78-13,798,145.42

Finding the Fourth Proportional to 15,034,551.29, 20,736,960.78 and 13,798,145.42

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Solution

The fourth proportional to 15,034,551.29, 20,736,960.78 and 13,798,145.42 is: 19,031,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,551.29 : 20,736,960.78 = 13,798,145.42 : x
  2. Step 2: Convert to fraction form
    15,034,551.29/20,736,960.78 = 13,798,145.42/x
  3. Step 3: Cross multiply
    15,034,551.29x = 20,736,960.78 × 13,798,145.42
  4. Step 4: Simplify right side
    15,034,551.29x = 286,131,600,411,276.62
  5. Step 5: Solve for x
    x = 286,131,600,411,276.62/15,034,551.29
  6. Step 6: Final answer
    x = 19,031,602.27

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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.