Home / 15,584,711.09-21,507,036.71-8,615,275.88

Finding the Fourth Proportional to 15,584,711.09, 21,507,036.71 and 8,615,275.88

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Solution

The fourth proportional to 15,584,711.09, 21,507,036.71 and 8,615,275.88 is: 11,889,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,711.09 : 21,507,036.71 = 8,615,275.88 : x
  2. Step 2: Convert to fraction form
    15,584,711.09/21,507,036.71 = 8,615,275.88/x
  3. Step 3: Cross multiply
    15,584,711.09x = 21,507,036.71 × 8,615,275.88
  4. Step 4: Simplify right side
    15,584,711.09x = 185,289,054,467,325.97
  5. Step 5: Solve for x
    x = 185,289,054,467,325.97/15,584,711.09
  6. Step 6: Final answer
    x = 11,889,155.56

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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.