Home / 12,272,038.80-18,408,058.20-4,194,135.60

Finding the Fourth Proportional to 12,272,038.80, 18,408,058.20 and 4,194,135.60

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Solution

The fourth proportional to 12,272,038.80, 18,408,058.20 and 4,194,135.60 is: 6,291,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,038.80 : 18,408,058.20 = 4,194,135.60 : x
  2. Step 2: Convert to fraction form
    12,272,038.80/18,408,058.20 = 4,194,135.60/x
  3. Step 3: Cross multiply
    12,272,038.80x = 18,408,058.20 × 4,194,135.60
  4. Step 4: Simplify right side
    12,272,038.80x = 77,205,892,223,491.92
  5. Step 5: Solve for x
    x = 77,205,892,223,491.92/12,272,038.80
  6. Step 6: Final answer
    x = 6,291,203.40

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1.5x scale

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.