Home / 28,277,518.62-42,416,215.16-7,527,961.89

Finding the Fourth Proportional to 28,277,518.62, 42,416,215.16 and 7,527,961.89

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Solution

The fourth proportional to 28,277,518.62, 42,416,215.16 and 7,527,961.89 is: 11,291,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277,518.62 : 42,416,215.16 = 7,527,961.89 : x
  2. Step 2: Convert to fraction form
    28,277,518.62/42,416,215.16 = 7,527,961.89/x
  3. Step 3: Cross multiply
    28,277,518.62x = 42,416,215.16 × 7,527,961.89
  4. Step 4: Simplify right side
    28,277,518.62x = 319,307,651,219,332.50
  5. Step 5: Solve for x
    x = 319,307,651,219,332.50/28,277,518.62
  6. Step 6: Final answer
    x = 11,291,926.12

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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.