Home / 13,306,678.70-19,960,018.05-4,787,293.10

Finding the Fourth Proportional to 13,306,678.70, 19,960,018.05 and 4,787,293.10

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Solution

The fourth proportional to 13,306,678.70, 19,960,018.05 and 4,787,293.10 is: 7,180,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,678.70 : 19,960,018.05 = 4,787,293.10 : x
  2. Step 2: Convert to fraction form
    13,306,678.70/19,960,018.05 = 4,787,293.10/x
  3. Step 3: Cross multiply
    13,306,678.70x = 19,960,018.05 × 4,787,293.10
  4. Step 4: Simplify right side
    13,306,678.70x = 95,554,456,686,640.45
  5. Step 5: Solve for x
    x = 95,554,456,686,640.45/13,306,678.70
  6. Step 6: Final answer
    x = 7,180,939.65

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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.