Home / 28,679,902.30-43,019,853.45-26,412,420.70

Finding the Fourth Proportional to 28,679,902.30, 43,019,853.45 and 26,412,420.70

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Solution

The fourth proportional to 28,679,902.30, 43,019,853.45 and 26,412,420.70 is: 39,618,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,902.30 : 43,019,853.45 = 26,412,420.70 : x
  2. Step 2: Convert to fraction form
    28,679,902.30/43,019,853.45 = 26,412,420.70/x
  3. Step 3: Cross multiply
    28,679,902.30x = 43,019,853.45 × 26,412,420.70
  4. Step 4: Simplify right side
    28,679,902.30x = 1,136,258,467,773,746.50
  5. Step 5: Solve for x
    x = 1,136,258,467,773,746.50/28,679,902.30
  6. Step 6: Final answer
    x = 39,618,631.05

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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.