Home / 15,787,022.32-21,786,090.48-8,543,678.32

Finding the Fourth Proportional to 15,787,022.32, 21,786,090.48 and 8,543,678.32

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Solution

The fourth proportional to 15,787,022.32, 21,786,090.48 and 8,543,678.32 is: 11,790,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,022.32 : 21,786,090.48 = 8,543,678.32 : x
  2. Step 2: Convert to fraction form
    15,787,022.32/21,786,090.48 = 8,543,678.32/x
  3. Step 3: Cross multiply
    15,787,022.32x = 21,786,090.48 × 8,543,678.32
  4. Step 4: Simplify right side
    15,787,022.32x = 186,133,348,911,534.41
  5. Step 5: Solve for x
    x = 186,133,348,911,534.41/15,787,022.32
  6. Step 6: Final answer
    x = 11,790,275.91

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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.