Home / 14,128,410.80-21,192,616.20-3,490,842.80

Finding the Fourth Proportional to 14,128,410.80, 21,192,616.20 and 3,490,842.80

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Solution

The fourth proportional to 14,128,410.80, 21,192,616.20 and 3,490,842.80 is: 5,236,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,410.80 : 21,192,616.20 = 3,490,842.80 : x
  2. Step 2: Convert to fraction form
    14,128,410.80/21,192,616.20 = 3,490,842.80/x
  3. Step 3: Cross multiply
    14,128,410.80x = 21,192,616.20 × 3,490,842.80
  4. Step 4: Simplify right side
    14,128,410.80x = 73,980,091,674,933.36
  5. Step 5: Solve for x
    x = 73,980,091,674,933.36/14,128,410.80
  6. Step 6: Final answer
    x = 5,236,264.20

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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.