Home / 10,408,058.52-15,621,055.85-7,215,426.71

Finding the Fourth Proportional to 10,408,058.52, 15,621,055.85 and 7,215,426.71

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Solution

The fourth proportional to 10,408,058.52, 15,621,055.85 and 7,215,426.71 is: 10,829,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,058.52 : 15,621,055.85 = 7,215,426.71 : x
  2. Step 2: Convert to fraction form
    10,408,058.52/15,621,055.85 = 7,215,426.71/x
  3. Step 3: Cross multiply
    10,408,058.52x = 15,621,055.85 × 7,215,426.71
  4. Step 4: Simplify right side
    10,408,058.52x = 112,712,583,621,467.27
  5. Step 5: Solve for x
    x = 112,712,583,621,467.27/10,408,058.52
  6. Step 6: Final answer
    x = 10,829,357.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.