Home / 10,696,277.80-16,042,695.10-3,121,468.20

Finding the Fourth Proportional to 10,696,277.80, 16,042,695.10 and 3,121,468.20

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Solution

The fourth proportional to 10,696,277.80, 16,042,695.10 and 3,121,468.20 is: 4,681,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696,277.80 : 16,042,695.10 = 3,121,468.20 : x
  2. Step 2: Convert to fraction form
    10,696,277.80/16,042,695.10 = 3,121,468.20/x
  3. Step 3: Cross multiply
    10,696,277.80x = 16,042,695.10 × 3,121,468.20
  4. Step 4: Simplify right side
    10,696,277.80x = 50,076,762,596,945.82
  5. Step 5: Solve for x
    x = 50,076,762,596,945.82/10,696,277.80
  6. Step 6: Final answer
    x = 4,681,699.89

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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.