Home / 21,260,670.38-29,348,794.08-14,295,385.20

Finding the Fourth Proportional to 21,260,670.38, 29,348,794.08 and 14,295,385.20

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Solution

The fourth proportional to 21,260,670.38, 29,348,794.08 and 14,295,385.20 is: 19,733,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,670.38 : 29,348,794.08 = 14,295,385.20 : x
  2. Step 2: Convert to fraction form
    21,260,670.38/29,348,794.08 = 14,295,385.20/x
  3. Step 3: Cross multiply
    21,260,670.38x = 29,348,794.08 × 14,295,385.20
  4. Step 4: Simplify right side
    21,260,670.38x = 419,552,316,529,079.56
  5. Step 5: Solve for x
    x = 419,552,316,529,079.56/21,260,670.38
  6. Step 6: Final answer
    x = 19,733,729.42

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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.