Home / 19,006,813.19-26,251,052.27-12,884,612.87

Finding the Fourth Proportional to 19,006,813.19, 26,251,052.27 and 12,884,612.87

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Solution

The fourth proportional to 19,006,813.19, 26,251,052.27 and 12,884,612.87 is: 17,795,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,813.19 : 26,251,052.27 = 12,884,612.87 : x
  2. Step 2: Convert to fraction form
    19,006,813.19/26,251,052.27 = 12,884,612.87/x
  3. Step 3: Cross multiply
    19,006,813.19x = 26,251,052.27 × 12,884,612.87
  4. Step 4: Simplify right side
    19,006,813.19x = 338,234,645,733,406.38
  5. Step 5: Solve for x
    x = 338,234,645,733,406.38/19,006,813.19
  6. Step 6: Final answer
    x = 17,795,442.22

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1.5x scale

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.