Home / 10,178,555.72-15,267,823.86-2,605,509.32

Finding the Fourth Proportional to 10,178,555.72, 15,267,823.86 and 2,605,509.32

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Solution

The fourth proportional to 10,178,555.72, 15,267,823.86 and 2,605,509.32 is: 3,908,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,555.72 : 15,267,823.86 = 2,605,509.32 : x
  2. Step 2: Convert to fraction form
    10,178,555.72/15,267,823.86 = 2,605,509.32/x
  3. Step 3: Cross multiply
    10,178,555.72x = 15,267,823.86 × 2,605,509.32
  4. Step 4: Simplify right side
    10,178,555.72x = 39,780,457,363,348.37
  5. Step 5: Solve for x
    x = 39,780,457,363,348.37/10,178,555.72
  6. Step 6: Final answer
    x = 3,908,261.49

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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.