Home / 26,617,890.20-39,926,705.70-10,432,405.40

Finding the Fourth Proportional to 26,617,890.20, 39,926,705.70 and 10,432,405.40

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Solution

The fourth proportional to 26,617,890.20, 39,926,705.70 and 10,432,405.40 is: 15,648,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617,890.20 : 39,926,705.70 = 10,432,405.40 : x
  2. Step 2: Convert to fraction form
    26,617,890.20/39,926,705.70 = 10,432,405.40/x
  3. Step 3: Cross multiply
    26,617,890.20x = 39,926,705.70 × 10,432,405.40
  4. Step 4: Simplify right side
    26,617,890.20x = 416,531,580,148,890.81
  5. Step 5: Solve for x
    x = 416,531,580,148,890.81/26,617,890.20
  6. Step 6: Final answer
    x = 15,648,557.31

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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.