Home / 9,513,804.21-13,129,058.22-5,162,890.47

Finding the Fourth Proportional to 9,513,804.21, 13,129,058.22 and 5,162,890.47

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Solution

The fourth proportional to 9,513,804.21, 13,129,058.22 and 5,162,890.47 is: 7,124,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,804.21 : 13,129,058.22 = 5,162,890.47 : x
  2. Step 2: Convert to fraction form
    9,513,804.21/13,129,058.22 = 5,162,890.47/x
  3. Step 3: Cross multiply
    9,513,804.21x = 13,129,058.22 × 5,162,890.47
  4. Step 4: Simplify right side
    9,513,804.21x = 67,783,889,564,113.16
  5. Step 5: Solve for x
    x = 67,783,889,564,113.16/9,513,804.21
  6. Step 6: Final answer
    x = 7,124,793.41

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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.