Home / 10,003,138.80-13,804,345.08-5,419,460.04

Finding the Fourth Proportional to 10,003,138.80, 13,804,345.08 and 5,419,460.04

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Solution

The fourth proportional to 10,003,138.80, 13,804,345.08 and 5,419,460.04 is: 7,478,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003,138.80 : 13,804,345.08 = 5,419,460.04 : x
  2. Step 2: Convert to fraction form
    10,003,138.80/13,804,345.08 = 5,419,460.04/x
  3. Step 3: Cross multiply
    10,003,138.80x = 13,804,345.08 × 5,419,460.04
  4. Step 4: Simplify right side
    10,003,138.80x = 74,812,096,539,430.61
  5. Step 5: Solve for x
    x = 74,812,096,539,430.61/10,003,138.80
  6. Step 6: Final answer
    x = 7,478,862.19

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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.