Home / 13,168,603.08-18,169,167.78-9,039,897

Finding the Fourth Proportional to 13,168,603.08, 18,169,167.78 and 9,039,897

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Solution

The fourth proportional to 13,168,603.08, 18,169,167.78 and 9,039,897 is: 12,472,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,603.08 : 18,169,167.78 = 9,039,897 : x
  2. Step 2: Convert to fraction form
    13,168,603.08/18,169,167.78 = 9,039,897/x
  3. Step 3: Cross multiply
    13,168,603.08x = 18,169,167.78 × 9,039,897
  4. Step 4: Simplify right side
    13,168,603.08x = 164,247,405,306,918.66
  5. Step 5: Solve for x
    x = 164,247,405,306,918.66/13,168,603.08
  6. Step 6: Final answer
    x = 12,472,652.13

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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.