Home / 8,201,946.80-12,302,920.20-3,418,977.80

Finding the Fourth Proportional to 8,201,946.80, 12,302,920.20 and 3,418,977.80

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Solution

The fourth proportional to 8,201,946.80, 12,302,920.20 and 3,418,977.80 is: 5,128,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,946.80 : 12,302,920.20 = 3,418,977.80 : x
  2. Step 2: Convert to fraction form
    8,201,946.80/12,302,920.20 = 3,418,977.80/x
  3. Step 3: Cross multiply
    8,201,946.80x = 12,302,920.20 × 3,418,977.80
  4. Step 4: Simplify right side
    8,201,946.80x = 42,063,411,038,971.55
  5. Step 5: Solve for x
    x = 42,063,411,038,971.55/8,201,946.80
  6. Step 6: Final answer
    x = 5,128,466.70

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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.