Home / 19,473,400.80-29,210,101.20-5,289,976.80

Finding the Fourth Proportional to 19,473,400.80, 29,210,101.20 and 5,289,976.80

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Solution

The fourth proportional to 19,473,400.80, 29,210,101.20 and 5,289,976.80 is: 7,934,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473,400.80 : 29,210,101.20 = 5,289,976.80 : x
  2. Step 2: Convert to fraction form
    19,473,400.80/29,210,101.20 = 5,289,976.80/x
  3. Step 3: Cross multiply
    19,473,400.80x = 29,210,101.20 × 5,289,976.80
  4. Step 4: Simplify right side
    19,473,400.80x = 154,520,757,673,652.16
  5. Step 5: Solve for x
    x = 154,520,757,673,652.16/19,473,400.80
  6. Step 6: Final answer
    x = 7,934,965.20

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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.