Home / 30,375,616.96-41,918,462.50-16,436,972.20

Finding the Fourth Proportional to 30,375,616.96, 41,918,462.50 and 16,436,972.20

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Solution

The fourth proportional to 30,375,616.96, 41,918,462.50 and 16,436,972.20 is: 22,683,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375,616.96 : 41,918,462.50 = 16,436,972.20 : x
  2. Step 2: Convert to fraction form
    30,375,616.96/41,918,462.50 = 16,436,972.20/x
  3. Step 3: Cross multiply
    30,375,616.96x = 41,918,462.50 × 16,436,972.20
  4. Step 4: Simplify right side
    30,375,616.96x = 689,012,602,779,242.50
  5. Step 5: Solve for x
    x = 689,012,602,779,242.50/30,375,616.96
  6. Step 6: Final answer
    x = 22,683,081.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.