Home / 16,853,969.40-25,280,954.10-16,686,007.80

Finding the Fourth Proportional to 16,853,969.40, 25,280,954.10 and 16,686,007.80

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Solution

The fourth proportional to 16,853,969.40, 25,280,954.10 and 16,686,007.80 is: 25,029,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853,969.40 : 25,280,954.10 = 16,686,007.80 : x
  2. Step 2: Convert to fraction form
    16,853,969.40/25,280,954.10 = 16,686,007.80/x
  3. Step 3: Cross multiply
    16,853,969.40x = 25,280,954.10 × 16,686,007.80
  4. Step 4: Simplify right side
    16,853,969.40x = 421,838,197,304,042
  5. Step 5: Solve for x
    x = 421,838,197,304,042/16,853,969.40
  6. Step 6: Final answer
    x = 25,029,011.70

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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.