Home / 8,315,881-11,475,915.78-4,500,457

Finding the Fourth Proportional to 8,315,881, 11,475,915.78 and 4,500,457

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Solution

The fourth proportional to 8,315,881, 11,475,915.78 and 4,500,457 is: 6,210,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,881 : 11,475,915.78 = 4,500,457 : x
  2. Step 2: Convert to fraction form
    8,315,881/11,475,915.78 = 4,500,457/x
  3. Step 3: Cross multiply
    8,315,881x = 11,475,915.78 × 4,500,457
  4. Step 4: Simplify right side
    8,315,881x = 51,646,865,503,511.45
  5. Step 5: Solve for x
    x = 51,646,865,503,511.45/8,315,881
  6. Step 6: Final answer
    x = 6,210,630.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.