Home / 19,306,808.40-28,941,780.60-7,173,022.80

Finding the Fourth Proportional to 19,306,808.40, 28,941,780.60 and 7,173,022.80

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Solution

The fourth proportional to 19,306,808.40, 28,941,780.60 and 7,173,022.80 is: 10,752,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,808.40 : 28,941,780.60 = 7,173,022.80 : x
  2. Step 2: Convert to fraction form
    19,306,808.40/28,941,780.60 = 7,173,022.80/x
  3. Step 3: Cross multiply
    19,306,808.40x = 28,941,780.60 × 7,173,022.80
  4. Step 4: Simplify right side
    19,306,808.40x = 207,600,052,116,397.69
  5. Step 5: Solve for x
    x = 207,600,052,116,397.69/19,306,808.40
  6. Step 6: Final answer
    x = 10,752,686.19

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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.