Home / 19,787,154.30-29,679,747.30-10,203,501.60

Finding the Fourth Proportional to 19,787,154.30, 29,679,747.30 and 10,203,501.60

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Solution

The fourth proportional to 19,787,154.30, 29,679,747.30 and 10,203,501.60 is: 15,304,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,154.30 : 29,679,747.30 = 10,203,501.60 : x
  2. Step 2: Convert to fraction form
    19,787,154.30/29,679,747.30 = 10,203,501.60/x
  3. Step 3: Cross multiply
    19,787,154.30x = 29,679,747.30 × 10,203,501.60
  4. Step 4: Simplify right side
    19,787,154.30x = 302,837,349,063,145.69
  5. Step 5: Solve for x
    x = 302,837,349,063,145.69/19,787,154.30
  6. Step 6: Final answer
    x = 15,304,744.91

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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.