Home / 20,400,981.04-30,605,509.84-5,828,026.24

Finding the Fourth Proportional to 20,400,981.04, 30,605,509.84 and 5,828,026.24

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Solution

The fourth proportional to 20,400,981.04, 30,605,509.84 and 5,828,026.24 is: 8,743,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400,981.04 : 30,605,509.84 = 5,828,026.24 : x
  2. Step 2: Convert to fraction form
    20,400,981.04/30,605,509.84 = 5,828,026.24/x
  3. Step 3: Cross multiply
    20,400,981.04x = 30,605,509.84 × 5,828,026.24
  4. Step 4: Simplify right side
    20,400,981.04x = 178,369,714,436,098.22
  5. Step 5: Solve for x
    x = 178,369,714,436,098.22/20,400,981.04
  6. Step 6: Final answer
    x = 8,743,192.99

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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.