Home / 13,431,127.68-18,534,980.16-7,319,554.56

Finding the Fourth Proportional to 13,431,127.68, 18,534,980.16 and 7,319,554.56

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Solution

The fourth proportional to 13,431,127.68, 18,534,980.16 and 7,319,554.56 is: 10,100,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,127.68 : 18,534,980.16 = 7,319,554.56 : x
  2. Step 2: Convert to fraction form
    13,431,127.68/18,534,980.16 = 7,319,554.56/x
  3. Step 3: Cross multiply
    13,431,127.68x = 18,534,980.16 × 7,319,554.56
  4. Step 4: Simplify right side
    13,431,127.68x = 135,667,798,549,637.52
  5. Step 5: Solve for x
    x = 135,667,798,549,637.52/13,431,127.68
  6. Step 6: Final answer
    x = 10,100,998.35

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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.