Home / 13,603,024.26-18,771,946.65-7,492,021.38

Finding the Fourth Proportional to 13,603,024.26, 18,771,946.65 and 7,492,021.38

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Solution

The fourth proportional to 13,603,024.26, 18,771,946.65 and 7,492,021.38 is: 10,338,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,024.26 : 18,771,946.65 = 7,492,021.38 : x
  2. Step 2: Convert to fraction form
    13,603,024.26/18,771,946.65 = 7,492,021.38/x
  3. Step 3: Cross multiply
    13,603,024.26x = 18,771,946.65 × 7,492,021.38
  4. Step 4: Simplify right side
    13,603,024.26x = 140,639,825,646,019.36
  5. Step 5: Solve for x
    x = 140,639,825,646,019.36/13,603,024.26
  6. Step 6: Final answer
    x = 10,338,864.58

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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.