Home / 20,153,002.30-30,233,440.05-8,020,401.10

Finding the Fourth Proportional to 20,153,002.30, 30,233,440.05 and 8,020,401.10

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Solution

The fourth proportional to 20,153,002.30, 30,233,440.05 and 8,020,401.10 is: 12,032,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,002.30 : 30,233,440.05 = 8,020,401.10 : x
  2. Step 2: Convert to fraction form
    20,153,002.30/30,233,440.05 = 8,020,401.10/x
  3. Step 3: Cross multiply
    20,153,002.30x = 30,233,440.05 × 8,020,401.10
  4. Step 4: Simplify right side
    20,153,002.30x = 242,484,315,833,804.06
  5. Step 5: Solve for x
    x = 242,484,315,833,804.06/20,153,002.30
  6. Step 6: Final answer
    x = 12,032,168.32

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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.