Home / 19,815,038.20-29,694,563.70-14,657,217.40

Finding the Fourth Proportional to 19,815,038.20, 29,694,563.70 and 14,657,217.40

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Solution

The fourth proportional to 19,815,038.20, 29,694,563.70 and 14,657,217.40 is: 21,965,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,038.20 : 29,694,563.70 = 14,657,217.40 : x
  2. Step 2: Convert to fraction form
    19,815,038.20/29,694,563.70 = 14,657,217.40/x
  3. Step 3: Cross multiply
    19,815,038.20x = 29,694,563.70 × 14,657,217.40
  4. Step 4: Simplify right side
    19,815,038.20x = 435,239,675,749,048.38
  5. Step 5: Solve for x
    x = 435,239,675,749,048.38/19,815,038.20
  6. Step 6: Final answer
    x = 21,965,119.19

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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.