Home / 18,641,815.96-25,725,185.30-10,381,875.98

Finding the Fourth Proportional to 18,641,815.96, 25,725,185.30 and 10,381,875.98

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Solution

The fourth proportional to 18,641,815.96, 25,725,185.30 and 10,381,875.98 is: 14,326,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,815.96 : 25,725,185.30 = 10,381,875.98 : x
  2. Step 2: Convert to fraction form
    18,641,815.96/25,725,185.30 = 10,381,875.98/x
  3. Step 3: Cross multiply
    18,641,815.96x = 25,725,185.30 × 10,381,875.98
  4. Step 4: Simplify right side
    18,641,815.96x = 267,075,683,347,119.12
  5. Step 5: Solve for x
    x = 267,075,683,347,119.12/18,641,815.96
  6. Step 6: Final answer
    x = 14,326,698.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.