Home / 19,930,807.70-29,896,211.55-18,167,210.90

Finding the Fourth Proportional to 19,930,807.70, 29,896,211.55 and 18,167,210.90

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Solution

The fourth proportional to 19,930,807.70, 29,896,211.55 and 18,167,210.90 is: 27,250,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930,807.70 : 29,896,211.55 = 18,167,210.90 : x
  2. Step 2: Convert to fraction form
    19,930,807.70/29,896,211.55 = 18,167,210.90/x
  3. Step 3: Cross multiply
    19,930,807.70x = 29,896,211.55 × 18,167,210.90
  4. Step 4: Simplify right side
    19,930,807.70x = 543,130,780,339,865.88
  5. Step 5: Solve for x
    x = 543,130,780,339,865.88/19,930,807.70
  6. Step 6: Final answer
    x = 27,250,816.35

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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.