Home / 12,960,941.88-17,886,249.90-7,159,603.44

Finding the Fourth Proportional to 12,960,941.88, 17,886,249.90 and 7,159,603.44

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Solution

The fourth proportional to 12,960,941.88, 17,886,249.90 and 7,159,603.44 is: 9,880,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,941.88 : 17,886,249.90 = 7,159,603.44 : x
  2. Step 2: Convert to fraction form
    12,960,941.88/17,886,249.90 = 7,159,603.44/x
  3. Step 3: Cross multiply
    12,960,941.88x = 17,886,249.90 × 7,159,603.44
  4. Step 4: Simplify right side
    12,960,941.88x = 128,058,456,312,739.66
  5. Step 5: Solve for x
    x = 128,058,456,312,739.66/12,960,941.88
  6. Step 6: Final answer
    x = 9,880,335.67

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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.