Home / 7,166,927.50-9,890,359.95-3,947,663.50

Finding the Fourth Proportional to 7,166,927.50, 9,890,359.95 and 3,947,663.50

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Solution

The fourth proportional to 7,166,927.50, 9,890,359.95 and 3,947,663.50 is: 5,447,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,927.50 : 9,890,359.95 = 3,947,663.50 : x
  2. Step 2: Convert to fraction form
    7,166,927.50/9,890,359.95 = 3,947,663.50/x
  3. Step 3: Cross multiply
    7,166,927.50x = 9,890,359.95 × 3,947,663.50
  4. Step 4: Simplify right side
    7,166,927.50x = 39,043,812,976,476.82
  5. Step 5: Solve for x
    x = 39,043,812,976,476.82/7,166,927.50
  6. Step 6: Final answer
    x = 5,447,775.63

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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.