Home / 9,431,139-13,014,971.96-5,138,787

Finding the Fourth Proportional to 9,431,139, 13,014,971.96 and 5,138,787

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Solution

The fourth proportional to 9,431,139, 13,014,971.96 and 5,138,787 is: 7,091,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,139 : 13,014,971.96 = 5,138,787 : x
  2. Step 2: Convert to fraction form
    9,431,139/13,014,971.96 = 5,138,787/x
  3. Step 3: Cross multiply
    9,431,139x = 13,014,971.96 × 5,138,787
  4. Step 4: Simplify right side
    9,431,139x = 66,881,168,713,412.52
  5. Step 5: Solve for x
    x = 66,881,168,713,412.52/9,431,139
  6. Step 6: Final answer
    x = 7,091,526.14

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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.