Home / 22,499,919.36-31,049,875.20-12,186,639.36

Finding the Fourth Proportional to 22,499,919.36, 31,049,875.20 and 12,186,639.36

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Solution

The fourth proportional to 22,499,919.36, 31,049,875.20 and 12,186,639.36 is: 16,817,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,499,919.36 : 31,049,875.20 = 12,186,639.36 : x
  2. Step 2: Convert to fraction form
    22,499,919.36/31,049,875.20 = 12,186,639.36/x
  3. Step 3: Cross multiply
    22,499,919.36x = 31,049,875.20 × 12,186,639.36
  4. Step 4: Simplify right side
    22,499,919.36x = 378,393,631,235,407.88
  5. Step 5: Solve for x
    x = 378,393,631,235,407.88/22,499,919.36
  6. Step 6: Final answer
    x = 16,817,555.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.