Home / 9,431,140-13,014,973.34-5,138,788

Finding the Fourth Proportional to 9,431,140, 13,014,973.34 and 5,138,788

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Solution

The fourth proportional to 9,431,140, 13,014,973.34 and 5,138,788 is: 7,091,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,140 : 13,014,973.34 = 5,138,788 : x
  2. Step 2: Convert to fraction form
    9,431,140/13,014,973.34 = 5,138,788/x
  3. Step 3: Cross multiply
    9,431,140x = 13,014,973.34 × 5,138,788
  4. Step 4: Simplify right side
    9,431,140x = 66,881,188,819,911.92
  5. Step 5: Solve for x
    x = 66,881,188,819,911.92/9,431,140
  6. Step 6: Final answer
    x = 7,091,527.52

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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.