Home / 9,710,669.88-13,400,724.44-5,418,317.88

Finding the Fourth Proportional to 9,710,669.88, 13,400,724.44 and 5,418,317.88

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Solution

The fourth proportional to 9,710,669.88, 13,400,724.44 and 5,418,317.88 is: 7,477,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710,669.88 : 13,400,724.44 = 5,418,317.88 : x
  2. Step 2: Convert to fraction form
    9,710,669.88/13,400,724.44 = 5,418,317.88/x
  3. Step 3: Cross multiply
    9,710,669.88x = 13,400,724.44 × 5,418,317.88
  4. Step 4: Simplify right side
    9,710,669.88x = 72,609,384,744,109.78
  5. Step 5: Solve for x
    x = 72,609,384,744,109.78/9,710,669.88
  6. Step 6: Final answer
    x = 7,477,278.67

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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.