Home / 13,771,445.90-20,657,946.45-4,187,137.10

Finding the Fourth Proportional to 13,771,445.90, 20,657,946.45 and 4,187,137.10

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Solution

The fourth proportional to 13,771,445.90, 20,657,946.45 and 4,187,137.10 is: 6,280,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,445.90 : 20,657,946.45 = 4,187,137.10 : x
  2. Step 2: Convert to fraction form
    13,771,445.90/20,657,946.45 = 4,187,137.10/x
  3. Step 3: Cross multiply
    13,771,445.90x = 20,657,946.45 × 4,187,137.10
  4. Step 4: Simplify right side
    13,771,445.90x = 86,497,653,990,608.30
  5. Step 5: Solve for x
    x = 86,497,653,990,608.30/13,771,445.90
  6. Step 6: Final answer
    x = 6,280,942.08

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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.