Home / 15,359,800.94-21,196,043.70-8,390,366.54

Finding the Fourth Proportional to 15,359,800.94, 21,196,043.70 and 8,390,366.54

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Solution

The fourth proportional to 15,359,800.94, 21,196,043.70 and 8,390,366.54 is: 11,578,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,800.94 : 21,196,043.70 = 8,390,366.54 : x
  2. Step 2: Convert to fraction form
    15,359,800.94/21,196,043.70 = 8,390,366.54/x
  3. Step 3: Cross multiply
    15,359,800.94x = 21,196,043.70 × 8,390,366.54
  4. Step 4: Simplify right side
    15,359,800.94x = 177,842,575,840,857.78
  5. Step 5: Solve for x
    x = 177,842,575,840,857.78/15,359,800.94
  6. Step 6: Final answer
    x = 11,578,442.75

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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.