Home / 9,879,254.19-13,633,532.21-5,408,734.71

Finding the Fourth Proportional to 9,879,254.19, 13,633,532.21 and 5,408,734.71

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Solution

The fourth proportional to 9,879,254.19, 13,633,532.21 and 5,408,734.71 is: 7,464,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,254.19 : 13,633,532.21 = 5,408,734.71 : x
  2. Step 2: Convert to fraction form
    9,879,254.19/13,633,532.21 = 5,408,734.71/x
  3. Step 3: Cross multiply
    9,879,254.19x = 13,633,532.21 × 5,408,734.71
  4. Step 4: Simplify right side
    9,879,254.19x = 73,740,158,889,502.66
  5. Step 5: Solve for x
    x = 73,740,158,889,502.66/9,879,254.19
  6. Step 6: Final answer
    x = 7,464,142.28

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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.