Home / 19,895,306.81-27,389,199.54-18,981,228.29

Finding the Fourth Proportional to 19,895,306.81, 27,389,199.54 and 18,981,228.29

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Solution

The fourth proportional to 19,895,306.81, 27,389,199.54 and 18,981,228.29 is: 26,130,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895,306.81 : 27,389,199.54 = 18,981,228.29 : x
  2. Step 2: Convert to fraction form
    19,895,306.81/27,389,199.54 = 18,981,228.29/x
  3. Step 3: Cross multiply
    19,895,306.81x = 27,389,199.54 × 18,981,228.29
  4. Step 4: Simplify right side
    19,895,306.81x = 519,880,649,012,157
  5. Step 5: Solve for x
    x = 519,880,649,012,157/19,895,306.81
  6. Step 6: Final answer
    x = 26,130,818.39

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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.