Home / 15,735,992.40-21,716,339.70-8,766,666

Finding the Fourth Proportional to 15,735,992.40, 21,716,339.70 and 8,766,666

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Solution

The fourth proportional to 15,735,992.40, 21,716,339.70 and 8,766,666 is: 12,098,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735,992.40 : 21,716,339.70 = 8,766,666 : x
  2. Step 2: Convert to fraction form
    15,735,992.40/21,716,339.70 = 8,766,666/x
  3. Step 3: Cross multiply
    15,735,992.40x = 21,716,339.70 × 8,766,666
  4. Step 4: Simplify right side
    15,735,992.40x = 190,379,896,892,440.19
  5. Step 5: Solve for x
    x = 190,379,896,892,440.19/15,735,992.40
  6. Step 6: Final answer
    x = 12,098,372.45

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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.