Home / 19,815,520.20-29,695,286.70-14,657,699.40

Finding the Fourth Proportional to 19,815,520.20, 29,695,286.70 and 14,657,699.40

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Solution

The fourth proportional to 19,815,520.20, 29,695,286.70 and 14,657,699.40 is: 21,965,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,520.20 : 29,695,286.70 = 14,657,699.40 : x
  2. Step 2: Convert to fraction form
    19,815,520.20/29,695,286.70 = 14,657,699.40/x
  3. Step 3: Cross multiply
    19,815,520.20x = 29,695,286.70 × 14,657,699.40
  4. Step 4: Simplify right side
    19,815,520.20x = 435,264,586,045,418
  5. Step 5: Solve for x
    x = 435,264,586,045,418/19,815,520.20
  6. Step 6: Final answer
    x = 21,965,842.01

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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.