Home / 10,113,818.65-15,166,011.39-5,254,819

Finding the Fourth Proportional to 10,113,818.65, 15,166,011.39 and 5,254,819

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Solution

The fourth proportional to 10,113,818.65, 15,166,011.39 and 5,254,819 is: 7,879,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,818.65 : 15,166,011.39 = 5,254,819 : x
  2. Step 2: Convert to fraction form
    10,113,818.65/15,166,011.39 = 5,254,819/x
  3. Step 3: Cross multiply
    10,113,818.65x = 15,166,011.39 × 5,254,819
  4. Step 4: Simplify right side
    10,113,818.65x = 79,694,644,806,388.41
  5. Step 5: Solve for x
    x = 79,694,644,806,388.41/10,113,818.65
  6. Step 6: Final answer
    x = 7,879,777.91

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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.