Home / 15,341,182.68-21,171,281.77-8,372,308.31

Finding the Fourth Proportional to 15,341,182.68, 21,171,281.77 and 8,372,308.31

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Solution

The fourth proportional to 15,341,182.68, 21,171,281.77 and 8,372,308.31 is: 11,554,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341,182.68 : 21,171,281.77 = 8,372,308.31 : x
  2. Step 2: Convert to fraction form
    15,341,182.68/21,171,281.77 = 8,372,308.31/x
  3. Step 3: Cross multiply
    15,341,182.68x = 21,171,281.77 × 8,372,308.31
  4. Step 4: Simplify right side
    15,341,182.68x = 177,252,498,244,322.50
  5. Step 5: Solve for x
    x = 177,252,498,244,322.50/15,341,182.68
  6. Step 6: Final answer
    x = 11,554,030.87

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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.