Home / 12,106,058.77-16,712,325.51-8,387,709.41

Finding the Fourth Proportional to 12,106,058.77, 16,712,325.51 and 8,387,709.41

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Solution

The fourth proportional to 12,106,058.77, 16,712,325.51 and 8,387,709.41 is: 11,579,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,058.77 : 16,712,325.51 = 8,387,709.41 : x
  2. Step 2: Convert to fraction form
    12,106,058.77/16,712,325.51 = 8,387,709.41/x
  3. Step 3: Cross multiply
    12,106,058.77x = 16,712,325.51 × 8,387,709.41
  4. Step 4: Simplify right side
    12,106,058.77x = 140,178,129,889,110.05
  5. Step 5: Solve for x
    x = 140,178,129,889,110.05/12,106,058.77
  6. Step 6: Final answer
    x = 11,579,171.44

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1.5x scale

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.