Home / 21,410,901.20-32,105,724.60-7,763,502.80

Finding the Fourth Proportional to 21,410,901.20, 32,105,724.60 and 7,763,502.80

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Solution

The fourth proportional to 21,410,901.20, 32,105,724.60 and 7,763,502.80 is: 11,641,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,901.20 : 32,105,724.60 = 7,763,502.80 : x
  2. Step 2: Convert to fraction form
    21,410,901.20/32,105,724.60 = 7,763,502.80/x
  3. Step 3: Cross multiply
    21,410,901.20x = 32,105,724.60 × 7,763,502.80
  4. Step 4: Simplify right side
    21,410,901.20x = 249,252,882,828,128.88
  5. Step 5: Solve for x
    x = 249,252,882,828,128.88/21,410,901.20
  6. Step 6: Final answer
    x = 11,641,400.82

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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.