Home / 8,118,527-12,178,509.78-2,134,895

Finding the Fourth Proportional to 8,118,527, 12,178,509.78 and 2,134,895

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Solution

The fourth proportional to 8,118,527, 12,178,509.78 and 2,134,895 is: 3,202,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,527 : 12,178,509.78 = 2,134,895 : x
  2. Step 2: Convert to fraction form
    8,118,527/12,178,509.78 = 2,134,895/x
  3. Step 3: Cross multiply
    8,118,527x = 12,178,509.78 × 2,134,895
  4. Step 4: Simplify right side
    8,118,527x = 25,999,839,636,773.10
  5. Step 5: Solve for x
    x = 25,999,839,636,773.10/8,118,527
  6. Step 6: Final answer
    x = 3,202,531.65

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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.