Home / 14,772,168.60-20,385,514.74-8,578,738.20

Finding the Fourth Proportional to 14,772,168.60, 20,385,514.74 and 8,578,738.20

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Solution

The fourth proportional to 14,772,168.60, 20,385,514.74 and 8,578,738.20 is: 11,838,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772,168.60 : 20,385,514.74 = 8,578,738.20 : x
  2. Step 2: Convert to fraction form
    14,772,168.60/20,385,514.74 = 8,578,738.20/x
  3. Step 3: Cross multiply
    14,772,168.60x = 20,385,514.74 × 8,578,738.20
  4. Step 4: Simplify right side
    14,772,168.60x = 174,881,994,026,701.03
  5. Step 5: Solve for x
    x = 174,881,994,026,701.03/14,772,168.60
  6. Step 6: Final answer
    x = 11,838,613.46

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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.