Home / 10,281,356.72-14,188,427.45-5,635,104.59

Finding the Fourth Proportional to 10,281,356.72, 14,188,427.45 and 5,635,104.59

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Solution

The fourth proportional to 10,281,356.72, 14,188,427.45 and 5,635,104.59 is: 7,776,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281,356.72 : 14,188,427.45 = 5,635,104.59 : x
  2. Step 2: Convert to fraction form
    10,281,356.72/14,188,427.45 = 5,635,104.59/x
  3. Step 3: Cross multiply
    10,281,356.72x = 14,188,427.45 × 5,635,104.59
  4. Step 4: Simplify right side
    10,281,356.72x = 79,953,272,570,390.98
  5. Step 5: Solve for x
    x = 79,953,272,570,390.98/10,281,356.72
  6. Step 6: Final answer
    x = 7,776,529.38

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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.