Home / 12,400,751.20-18,604,684.32-5,208,586.24

Finding the Fourth Proportional to 12,400,751.20, 18,604,684.32 and 5,208,586.24

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Solution

The fourth proportional to 12,400,751.20, 18,604,684.32 and 5,208,586.24 is: 7,814,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,751.20 : 18,604,684.32 = 5,208,586.24 : x
  2. Step 2: Convert to fraction form
    12,400,751.20/18,604,684.32 = 5,208,586.24/x
  3. Step 3: Cross multiply
    12,400,751.20x = 18,604,684.32 × 5,208,586.24
  4. Step 4: Simplify right side
    12,400,751.20x = 96,904,102,748,695.77
  5. Step 5: Solve for x
    x = 96,904,102,748,695.77/12,400,751.20
  6. Step 6: Final answer
    x = 7,814,373.60

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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.