Home / 10,281,816.36-14,188,818.36-5,635,859.40

Finding the Fourth Proportional to 10,281,816.36, 14,188,818.36 and 5,635,859.40

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Solution

The fourth proportional to 10,281,816.36, 14,188,818.36 and 5,635,859.40 is: 7,777,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281,816.36 : 14,188,818.36 = 5,635,859.40 : x
  2. Step 2: Convert to fraction form
    10,281,816.36/14,188,818.36 = 5,635,859.40/x
  3. Step 3: Cross multiply
    10,281,816.36x = 14,188,818.36 × 5,635,859.40
  4. Step 4: Simplify right side
    10,281,816.36x = 79,966,185,329,098.58
  5. Step 5: Solve for x
    x = 79,966,185,329,098.58/10,281,816.36
  6. Step 6: Final answer
    x = 7,777,437.62

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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.