Home / 28,890,670.95-43,308,876.69-9,708,012.81

Finding the Fourth Proportional to 28,890,670.95, 43,308,876.69 and 9,708,012.81

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Solution

The fourth proportional to 28,890,670.95, 43,308,876.69 and 9,708,012.81 is: 14,552,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,670.95 : 43,308,876.69 = 9,708,012.81 : x
  2. Step 2: Convert to fraction form
    28,890,670.95/43,308,876.69 = 9,708,012.81/x
  3. Step 3: Cross multiply
    28,890,670.95x = 43,308,876.69 × 9,708,012.81
  4. Step 4: Simplify right side
    28,890,670.95x = 420,443,129,693,230.38
  5. Step 5: Solve for x
    x = 420,443,129,693,230.38/28,890,670.95
  6. Step 6: Final answer
    x = 14,552,902.92

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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.