Home / 10,340,368.29-15,496,035.71-8,171,860.40

Finding the Fourth Proportional to 10,340,368.29, 15,496,035.71 and 8,171,860.40

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Solution

The fourth proportional to 10,340,368.29, 15,496,035.71 and 8,171,860.40 is: 12,246,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,368.29 : 15,496,035.71 = 8,171,860.40 : x
  2. Step 2: Convert to fraction form
    10,340,368.29/15,496,035.71 = 8,171,860.40/x
  3. Step 3: Cross multiply
    10,340,368.29x = 15,496,035.71 × 8,171,860.40
  4. Step 4: Simplify right side
    10,340,368.29x = 126,631,440,580,476.50
  5. Step 5: Solve for x
    x = 126,631,440,580,476.50/10,340,368.29
  6. Step 6: Final answer
    x = 12,246,318.22

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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.