Home / 13,189,552.20-19,784,328.30-6,369,392.70

Finding the Fourth Proportional to 13,189,552.20, 19,784,328.30 and 6,369,392.70

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Solution

The fourth proportional to 13,189,552.20, 19,784,328.30 and 6,369,392.70 is: 9,554,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,552.20 : 19,784,328.30 = 6,369,392.70 : x
  2. Step 2: Convert to fraction form
    13,189,552.20/19,784,328.30 = 6,369,392.70/x
  3. Step 3: Cross multiply
    13,189,552.20x = 19,784,328.30 × 6,369,392.70
  4. Step 4: Simplify right side
    13,189,552.20x = 126,014,156,248,423.42
  5. Step 5: Solve for x
    x = 126,014,156,248,423.42/13,189,552.20
  6. Step 6: Final answer
    x = 9,554,089.05

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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.