Home / 19,541,812.80-29,298,722.40-8,176,411.20

Finding the Fourth Proportional to 19,541,812.80, 29,298,722.40 and 8,176,411.20

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Solution

The fourth proportional to 19,541,812.80, 29,298,722.40 and 8,176,411.20 is: 12,258,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541,812.80 : 29,298,722.40 = 8,176,411.20 : x
  2. Step 2: Convert to fraction form
    19,541,812.80/29,298,722.40 = 8,176,411.20/x
  3. Step 3: Cross multiply
    19,541,812.80x = 29,298,722.40 × 8,176,411.20
  4. Step 4: Simplify right side
    19,541,812.80x = 239,558,401,977,050.88
  5. Step 5: Solve for x
    x = 239,558,401,977,050.88/19,541,812.80
  6. Step 6: Final answer
    x = 12,258,760.46

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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.