Home / 9,240,148.23-12,749,987.96-5,319,146.43

Finding the Fourth Proportional to 9,240,148.23, 12,749,987.96 and 5,319,146.43

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Solution

The fourth proportional to 9,240,148.23, 12,749,987.96 and 5,319,146.43 is: 7,339,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240,148.23 : 12,749,987.96 = 5,319,146.43 : x
  2. Step 2: Convert to fraction form
    9,240,148.23/12,749,987.96 = 5,319,146.43/x
  3. Step 3: Cross multiply
    9,240,148.23x = 12,749,987.96 × 5,319,146.43
  4. Step 4: Simplify right side
    9,240,148.23x = 67,819,052,849,631.31
  5. Step 5: Solve for x
    x = 67,819,052,849,631.31/9,240,148.23
  6. Step 6: Final answer
    x = 7,339,606.59

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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.