Home / 19,728,514,510.57-27,247,822,160.06-13,373,849,939.75

Finding the Fourth Proportional to 19,728,514,510.57, 27,247,822,160.06 and 13,373,849,939.75

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Solution

The fourth proportional to 19,728,514,510.57, 27,247,822,160.06 and 13,373,849,939.75 is: 18,471,146,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728,514,510.57 : 27,247,822,160.06 = 13,373,849,939.75 : x
  2. Step 2: Convert to fraction form
    19,728,514,510.57/27,247,822,160.06 = 13,373,849,939.75/x
  3. Step 3: Cross multiply
    19,728,514,510.57x = 27,247,822,160.06 × 13,373,849,939.75
  4. Step 4: Simplify right side
    19,728,514,510.57x = 364,408,284,753,636,687,872
  5. Step 5: Solve for x
    x = 364,408,284,753,636,687,872/19,728,514,510.57
  6. Step 6: Final answer
    x = 18,471,146,652.14

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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.