Home / 12,384,806.50-18,569,851.18-4,709,012.64

Finding the Fourth Proportional to 12,384,806.50, 18,569,851.18 and 4,709,012.64

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Solution

The fourth proportional to 12,384,806.50, 18,569,851.18 and 4,709,012.64 is: 7,060,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,806.50 : 18,569,851.18 = 4,709,012.64 : x
  2. Step 2: Convert to fraction form
    12,384,806.50/18,569,851.18 = 4,709,012.64/x
  3. Step 3: Cross multiply
    12,384,806.50x = 18,569,851.18 × 4,709,012.64
  4. Step 4: Simplify right side
    12,384,806.50x = 87,445,663,929,538.91
  5. Step 5: Solve for x
    x = 87,445,663,929,538.91/12,384,806.50
  6. Step 6: Final answer
    x = 7,060,721.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.