Home / 19,991,423.35-29,964,465.73-9,186,397.48

Finding the Fourth Proportional to 19,991,423.35, 29,964,465.73 and 9,186,397.48

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Solution

The fourth proportional to 19,991,423.35, 29,964,465.73 and 9,186,397.48 is: 13,769,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,423.35 : 29,964,465.73 = 9,186,397.48 : x
  2. Step 2: Convert to fraction form
    19,991,423.35/29,964,465.73 = 9,186,397.48/x
  3. Step 3: Cross multiply
    19,991,423.35x = 29,964,465.73 × 9,186,397.48
  4. Step 4: Simplify right side
    19,991,423.35x = 275,265,492,471,618.38
  5. Step 5: Solve for x
    x = 275,265,492,471,618.38/19,991,423.35
  6. Step 6: Final answer
    x = 13,769,179.30

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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.