Home / 28,134,330.45-42,195,590.69-7,934,848.53

Finding the Fourth Proportional to 28,134,330.45, 42,195,590.69 and 7,934,848.53

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Solution

The fourth proportional to 28,134,330.45, 42,195,590.69 and 7,934,848.53 is: 11,900,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,330.45 : 42,195,590.69 = 7,934,848.53 : x
  2. Step 2: Convert to fraction form
    28,134,330.45/42,195,590.69 = 7,934,848.53/x
  3. Step 3: Cross multiply
    28,134,330.45x = 42,195,590.69 × 7,934,848.53
  4. Step 4: Simplify right side
    28,134,330.45x = 334,815,620,719,354
  5. Step 5: Solve for x
    x = 334,815,620,719,354/28,134,330.45
  6. Step 6: Final answer
    x = 11,900,607.38

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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.