Home / 10,178,555.76-15,267,823.91-2,605,509.36

Finding the Fourth Proportional to 10,178,555.76, 15,267,823.91 and 2,605,509.36

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Solution

The fourth proportional to 10,178,555.76, 15,267,823.91 and 2,605,509.36 is: 3,908,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,555.76 : 15,267,823.91 = 2,605,509.36 : x
  2. Step 2: Convert to fraction form
    10,178,555.76/15,267,823.91 = 2,605,509.36/x
  3. Step 3: Cross multiply
    10,178,555.76x = 15,267,823.91 × 2,605,509.36
  4. Step 4: Simplify right side
    10,178,555.76x = 39,780,458,014,970.13
  5. Step 5: Solve for x
    x = 39,780,458,014,970.13/10,178,555.76
  6. Step 6: Final answer
    x = 3,908,261.54

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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.