Home / 18,838,337.40-28,257,506.10-4,654,913.40

Finding the Fourth Proportional to 18,838,337.40, 28,257,506.10 and 4,654,913.40

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Solution

The fourth proportional to 18,838,337.40, 28,257,506.10 and 4,654,913.40 is: 6,982,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838,337.40 : 28,257,506.10 = 4,654,913.40 : x
  2. Step 2: Convert to fraction form
    18,838,337.40/28,257,506.10 = 4,654,913.40/x
  3. Step 3: Cross multiply
    18,838,337.40x = 28,257,506.10 × 4,654,913.40
  4. Step 4: Simplify right side
    18,838,337.40x = 131,536,243,795,471.75
  5. Step 5: Solve for x
    x = 131,536,243,795,471.75/18,838,337.40
  6. Step 6: Final answer
    x = 6,982,370.10

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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.