Home / 18,663,894-25,756,174.08-10,079,190

Finding the Fourth Proportional to 18,663,894, 25,756,174.08 and 10,079,190

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Solution

The fourth proportional to 18,663,894, 25,756,174.08 and 10,079,190 is: 13,909,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,894 : 25,756,174.08 = 10,079,190 : x
  2. Step 2: Convert to fraction form
    18,663,894/25,756,174.08 = 10,079,190/x
  3. Step 3: Cross multiply
    18,663,894x = 25,756,174.08 × 10,079,190
  4. Step 4: Simplify right side
    18,663,894x = 259,601,372,225,395.19
  5. Step 5: Solve for x
    x = 259,601,372,225,395.19/18,663,894
  6. Step 6: Final answer
    x = 13,909,282.39

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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.