Home / 12,949,218.60-19,426,160.70-5,376,949.80

Finding the Fourth Proportional to 12,949,218.60, 19,426,160.70 and 5,376,949.80

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Solution

The fourth proportional to 12,949,218.60, 19,426,160.70 and 5,376,949.80 is: 8,066,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,218.60 : 19,426,160.70 = 5,376,949.80 : x
  2. Step 2: Convert to fraction form
    12,949,218.60/19,426,160.70 = 5,376,949.80/x
  3. Step 3: Cross multiply
    12,949,218.60x = 19,426,160.70 × 5,376,949.80
  4. Step 4: Simplify right side
    12,949,218.60x = 104,453,490,890,632.86
  5. Step 5: Solve for x
    x = 104,453,490,890,632.86/12,949,218.60
  6. Step 6: Final answer
    x = 8,066,393.36

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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.