Home / 13,121,302.64-19,679,711.15-3,534,439.16

Finding the Fourth Proportional to 13,121,302.64, 19,679,711.15 and 3,534,439.16

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Solution

The fourth proportional to 13,121,302.64, 19,679,711.15 and 3,534,439.16 is: 5,301,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,302.64 : 19,679,711.15 = 3,534,439.16 : x
  2. Step 2: Convert to fraction form
    13,121,302.64/19,679,711.15 = 3,534,439.16/x
  3. Step 3: Cross multiply
    13,121,302.64x = 19,679,711.15 × 3,534,439.16
  4. Step 4: Simplify right side
    13,121,302.64x = 69,556,741,804,084.01
  5. Step 5: Solve for x
    x = 69,556,741,804,084.01/13,121,302.64
  6. Step 6: Final answer
    x = 5,301,054.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.