Home / 7,929,491.36-10,942,774.80-4,307,845.28

Finding the Fourth Proportional to 7,929,491.36, 10,942,774.80 and 4,307,845.28

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Solution

The fourth proportional to 7,929,491.36, 10,942,774.80 and 4,307,845.28 is: 5,944,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929,491.36 : 10,942,774.80 = 4,307,845.28 : x
  2. Step 2: Convert to fraction form
    7,929,491.36/10,942,774.80 = 4,307,845.28/x
  3. Step 3: Cross multiply
    7,929,491.36x = 10,942,774.80 × 4,307,845.28
  4. Step 4: Simplify right side
    7,929,491.36x = 47,139,780,772,282.95
  5. Step 5: Solve for x
    x = 47,139,780,772,282.95/7,929,491.36
  6. Step 6: Final answer
    x = 5,944,868.17

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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.