Home / 13,152,666.20-19,701,005.70-10,913,178.20

Finding the Fourth Proportional to 13,152,666.20, 19,701,005.70 and 10,913,178.20

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Solution

The fourth proportional to 13,152,666.20, 19,701,005.70 and 10,913,178.20 is: 16,346,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,666.20 : 19,701,005.70 = 10,913,178.20 : x
  2. Step 2: Convert to fraction form
    13,152,666.20/19,701,005.70 = 10,913,178.20/x
  3. Step 3: Cross multiply
    13,152,666.20x = 19,701,005.70 × 10,913,178.20
  4. Step 4: Simplify right side
    13,152,666.20x = 215,000,585,923,315.72
  5. Step 5: Solve for x
    x = 215,000,585,923,315.72/13,152,666.20
  6. Step 6: Final answer
    x = 16,346,540.14

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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.