Home / 15,235,329.72-21,024,696.78-8,359,926.60

Finding the Fourth Proportional to 15,235,329.72, 21,024,696.78 and 8,359,926.60

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Solution

The fourth proportional to 15,235,329.72, 21,024,696.78 and 8,359,926.60 is: 11,536,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235,329.72 : 21,024,696.78 = 8,359,926.60 : x
  2. Step 2: Convert to fraction form
    15,235,329.72/21,024,696.78 = 8,359,926.60/x
  3. Step 3: Cross multiply
    15,235,329.72x = 21,024,696.78 × 8,359,926.60
  4. Step 4: Simplify right side
    15,235,329.72x = 175,764,921,868,056.34
  5. Step 5: Solve for x
    x = 175,764,921,868,056.34/15,235,329.72
  6. Step 6: Final answer
    x = 11,536,666.75

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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.