Home / 18,193,999.41-25,108,068.69-9,934,389.18

Finding the Fourth Proportional to 18,193,999.41, 25,108,068.69 and 9,934,389.18

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Solution

The fourth proportional to 18,193,999.41, 25,108,068.69 and 9,934,389.18 is: 13,709,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,999.41 : 25,108,068.69 = 9,934,389.18 : x
  2. Step 2: Convert to fraction form
    18,193,999.41/25,108,068.69 = 9,934,389.18/x
  3. Step 3: Cross multiply
    18,193,999.41x = 25,108,068.69 × 9,934,389.18
  4. Step 4: Simplify right side
    18,193,999.41x = 249,433,325,924,632.78
  5. Step 5: Solve for x
    x = 249,433,325,924,632.78/18,193,999.41
  6. Step 6: Final answer
    x = 13,709,647.91

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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.