Home / 14,280,113.78-19,706,355.42-8,085,000.74

Finding the Fourth Proportional to 14,280,113.78, 19,706,355.42 and 8,085,000.74

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Solution

The fourth proportional to 14,280,113.78, 19,706,355.42 and 8,085,000.74 is: 11,157,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280,113.78 : 19,706,355.42 = 8,085,000.74 : x
  2. Step 2: Convert to fraction form
    14,280,113.78/19,706,355.42 = 8,085,000.74/x
  3. Step 3: Cross multiply
    14,280,113.78x = 19,706,355.42 × 8,085,000.74
  4. Step 4: Simplify right side
    14,280,113.78x = 159,325,898,153,403.03
  5. Step 5: Solve for x
    x = 159,325,898,153,403.03/14,280,113.78
  6. Step 6: Final answer
    x = 11,157,186.88

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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.