Home / 19,409,445.80-29,103,671.10-8,051,042.60

Finding the Fourth Proportional to 19,409,445.80, 29,103,671.10 and 8,051,042.60

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Solution

The fourth proportional to 19,409,445.80, 29,103,671.10 and 8,051,042.60 is: 12,072,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409,445.80 : 29,103,671.10 = 8,051,042.60 : x
  2. Step 2: Convert to fraction form
    19,409,445.80/29,103,671.10 = 8,051,042.60/x
  3. Step 3: Cross multiply
    19,409,445.80x = 29,103,671.10 × 8,051,042.60
  4. Step 4: Simplify right side
    19,409,445.80x = 234,314,895,842,488.88
  5. Step 5: Solve for x
    x = 234,314,895,842,488.88/19,409,445.80
  6. Step 6: Final answer
    x = 12,072,209.49

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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.