Home / 15,113,322.71-20,856,390.95-8,586,960.74

Finding the Fourth Proportional to 15,113,322.71, 20,856,390.95 and 8,586,960.74

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Solution

The fourth proportional to 15,113,322.71, 20,856,390.95 and 8,586,960.74 is: 11,850,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,322.71 : 20,856,390.95 = 8,586,960.74 : x
  2. Step 2: Convert to fraction form
    15,113,322.71/20,856,390.95 = 8,586,960.74/x
  3. Step 3: Cross multiply
    15,113,322.71x = 20,856,390.95 × 8,586,960.74
  4. Step 4: Simplify right side
    15,113,322.71x = 179,093,010,339,349.69
  5. Step 5: Solve for x
    x = 179,093,010,339,349.69/15,113,322.71
  6. Step 6: Final answer
    x = 11,850,009.01

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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.