Home / 19,991,206.08-29,986,807.68-4,845,137.76

Finding the Fourth Proportional to 19,991,206.08, 29,986,807.68 and 4,845,137.76

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Solution

The fourth proportional to 19,991,206.08, 29,986,807.68 and 4,845,137.76 is: 7,267,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,206.08 : 29,986,807.68 = 4,845,137.76 : x
  2. Step 2: Convert to fraction form
    19,991,206.08/29,986,807.68 = 4,845,137.76/x
  3. Step 3: Cross multiply
    19,991,206.08x = 29,986,807.68 × 4,845,137.76
  4. Step 4: Simplify right side
    19,991,206.08x = 145,290,214,192,226
  5. Step 5: Solve for x
    x = 145,290,214,192,226/19,991,206.08
  6. Step 6: Final answer
    x = 7,267,706.29

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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.