Home / 28,414,697.40-42,614,952.12-11,146,407.84

Finding the Fourth Proportional to 28,414,697.40, 42,614,952.12 and 11,146,407.84

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Solution

The fourth proportional to 28,414,697.40, 42,614,952.12 and 11,146,407.84 is: 16,716,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414,697.40 : 42,614,952.12 = 11,146,407.84 : x
  2. Step 2: Convert to fraction form
    28,414,697.40/42,614,952.12 = 11,146,407.84/x
  3. Step 3: Cross multiply
    28,414,697.40x = 42,614,952.12 × 11,146,407.84
  4. Step 4: Simplify right side
    28,414,697.40x = 475,003,636,411,592.56
  5. Step 5: Solve for x
    x = 475,003,636,411,592.56/28,414,697.40
  6. Step 6: Final answer
    x = 16,716,828.96

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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.