Home / 9,821,866.40-14,707,916.40-7,831,210.40

Finding the Fourth Proportional to 9,821,866.40, 14,707,916.40 and 7,831,210.40

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Solution

The fourth proportional to 9,821,866.40, 14,707,916.40 and 7,831,210.40 is: 11,726,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821,866.40 : 14,707,916.40 = 7,831,210.40 : x
  2. Step 2: Convert to fraction form
    9,821,866.40/14,707,916.40 = 7,831,210.40/x
  3. Step 3: Cross multiply
    9,821,866.40x = 14,707,916.40 × 7,831,210.40
  4. Step 4: Simplify right side
    9,821,866.40x = 115,180,787,874,010.56
  5. Step 5: Solve for x
    x = 115,180,787,874,010.56/9,821,866.40
  6. Step 6: Final answer
    x = 11,726,975.63

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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.