Home / 8,233,509.20-11,361,935.61-4,748,990.78

Finding the Fourth Proportional to 8,233,509.20, 11,361,935.61 and 4,748,990.78

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Solution

The fourth proportional to 8,233,509.20, 11,361,935.61 and 4,748,990.78 is: 6,553,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233,509.20 : 11,361,935.61 = 4,748,990.78 : x
  2. Step 2: Convert to fraction form
    8,233,509.20/11,361,935.61 = 4,748,990.78/x
  3. Step 3: Cross multiply
    8,233,509.20x = 11,361,935.61 × 4,748,990.78
  4. Step 4: Simplify right side
    8,233,509.20x = 53,957,727,483,248.51
  5. Step 5: Solve for x
    x = 53,957,727,483,248.51/8,233,509.20
  6. Step 6: Final answer
    x = 6,553,430.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.