Home / 25,997,630.10-35,865,613.89-15,678,486.42

Finding the Fourth Proportional to 25,997,630.10, 35,865,613.89 and 15,678,486.42

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Solution

The fourth proportional to 25,997,630.10, 35,865,613.89 and 15,678,486.42 is: 21,629,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997,630.10 : 35,865,613.89 = 15,678,486.42 : x
  2. Step 2: Convert to fraction form
    25,997,630.10/35,865,613.89 = 15,678,486.42/x
  3. Step 3: Cross multiply
    25,997,630.10x = 35,865,613.89 × 15,678,486.42
  4. Step 4: Simplify right side
    25,997,630.10x = 562,318,540,319,328.38
  5. Step 5: Solve for x
    x = 562,318,540,319,328.38/25,997,630.10
  6. Step 6: Final answer
    x = 21,629,607.70

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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.