Home / 28,966,562.90-43,474,727.55-12,817,366.10

Finding the Fourth Proportional to 28,966,562.90, 43,474,727.55 and 12,817,366.10

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Solution

The fourth proportional to 28,966,562.90, 43,474,727.55 and 12,817,366.10 is: 19,237,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966,562.90 : 43,474,727.55 = 12,817,366.10 : x
  2. Step 2: Convert to fraction form
    28,966,562.90/43,474,727.55 = 12,817,366.10/x
  3. Step 3: Cross multiply
    28,966,562.90x = 43,474,727.55 × 12,817,366.10
  4. Step 4: Simplify right side
    28,966,562.90x = 557,231,499,106,106
  5. Step 5: Solve for x
    x = 557,231,499,106,106/28,966,562.90
  6. Step 6: Final answer
    x = 19,237,059.68

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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.