Home / 7,663,578.48-11,445,702.17-6,942,478.82

Finding the Fourth Proportional to 7,663,578.48, 11,445,702.17 and 6,942,478.82

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Solution

The fourth proportional to 7,663,578.48, 11,445,702.17 and 6,942,478.82 is: 10,368,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,578.48 : 11,445,702.17 = 6,942,478.82 : x
  2. Step 2: Convert to fraction form
    7,663,578.48/11,445,702.17 = 6,942,478.82/x
  3. Step 3: Cross multiply
    7,663,578.48x = 11,445,702.17 × 6,942,478.82
  4. Step 4: Simplify right side
    7,663,578.48x = 79,461,544,803,312.14
  5. Step 5: Solve for x
    x = 79,461,544,803,312.14/7,663,578.48
  6. Step 6: Final answer
    x = 10,368,725.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.