Home / 15,756,415.64-21,761,789.66-10,590,809.12

Finding the Fourth Proportional to 15,756,415.64, 21,761,789.66 and 10,590,809.12

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Solution

The fourth proportional to 15,756,415.64, 21,761,789.66 and 10,590,809.12 is: 14,627,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,415.64 : 21,761,789.66 = 10,590,809.12 : x
  2. Step 2: Convert to fraction form
    15,756,415.64/21,761,789.66 = 10,590,809.12/x
  3. Step 3: Cross multiply
    15,756,415.64x = 21,761,789.66 × 10,590,809.12
  4. Step 4: Simplify right side
    15,756,415.64x = 230,474,960,398,649.69
  5. Step 5: Solve for x
    x = 230,474,960,398,649.69/15,756,415.64
  6. Step 6: Final answer
    x = 14,627,372.47

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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.