Home / 28,092,001.20-42,140,808.45-7,622,045.70

Finding the Fourth Proportional to 28,092,001.20, 42,140,808.45 and 7,622,045.70

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Solution

The fourth proportional to 28,092,001.20, 42,140,808.45 and 7,622,045.70 is: 11,433,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,001.20 : 42,140,808.45 = 7,622,045.70 : x
  2. Step 2: Convert to fraction form
    28,092,001.20/42,140,808.45 = 7,622,045.70/x
  3. Step 3: Cross multiply
    28,092,001.20x = 42,140,808.45 × 7,622,045.70
  4. Step 4: Simplify right side
    28,092,001.20x = 321,199,167,840,846.19
  5. Step 5: Solve for x
    x = 321,199,167,840,846.19/28,092,001.20
  6. Step 6: Final answer
    x = 11,433,830.06

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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.