Home / 15,756,354.70-21,743,935.62-8,880,836.76

Finding the Fourth Proportional to 15,756,354.70, 21,743,935.62 and 8,880,836.76

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Solution

The fourth proportional to 15,756,354.70, 21,743,935.62 and 8,880,836.76 is: 12,255,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,354.70 : 21,743,935.62 = 8,880,836.76 : x
  2. Step 2: Convert to fraction form
    15,756,354.70/21,743,935.62 = 8,880,836.76/x
  3. Step 3: Cross multiply
    15,756,354.70x = 21,743,935.62 × 8,880,836.76
  4. Step 4: Simplify right side
    15,756,354.70x = 193,104,342,727,866.25
  5. Step 5: Solve for x
    x = 193,104,342,727,866.25/15,756,354.70
  6. Step 6: Final answer
    x = 12,255,648.37

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1.5x scale

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.