Home / 10,004,159.03-13,805,748.54-5,420,480.40

Finding the Fourth Proportional to 10,004,159.03, 13,805,748.54 and 5,420,480.40

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Solution

The fourth proportional to 10,004,159.03, 13,805,748.54 and 5,420,480.40 is: 7,480,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004,159.03 : 13,805,748.54 = 5,420,480.40 : x
  2. Step 2: Convert to fraction form
    10,004,159.03/13,805,748.54 = 5,420,480.40/x
  3. Step 3: Cross multiply
    10,004,159.03x = 13,805,748.54 × 5,420,480.40
  4. Step 4: Simplify right side
    10,004,159.03x = 74,833,789,368,398.61
  5. Step 5: Solve for x
    x = 74,833,789,368,398.61/10,004,159.03
  6. Step 6: Final answer
    x = 7,480,267.87

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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.