Home / 11,377,639.26-15,705,411.80-7,457,647.91

Finding the Fourth Proportional to 11,377,639.26, 15,705,411.80 and 7,457,647.91

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Solution

The fourth proportional to 11,377,639.26, 15,705,411.80 and 7,457,647.91 is: 10,294,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377,639.26 : 15,705,411.80 = 7,457,647.91 : x
  2. Step 2: Convert to fraction form
    11,377,639.26/15,705,411.80 = 7,457,647.91/x
  3. Step 3: Cross multiply
    11,377,639.26x = 15,705,411.80 × 7,457,647.91
  4. Step 4: Simplify right side
    11,377,639.26x = 117,125,431,370,144.05
  5. Step 5: Solve for x
    x = 117,125,431,370,144.05/11,377,639.26
  6. Step 6: Final answer
    x = 10,294,352.69

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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.