Home / 7,179,480.24-9,907,746.02-3,916,309.47

Finding the Fourth Proportional to 7,179,480.24, 9,907,746.02 and 3,916,309.47

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Solution

The fourth proportional to 7,179,480.24, 9,907,746.02 and 3,916,309.47 is: 5,404,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,480.24 : 9,907,746.02 = 3,916,309.47 : x
  2. Step 2: Convert to fraction form
    7,179,480.24/9,907,746.02 = 3,916,309.47/x
  3. Step 3: Cross multiply
    7,179,480.24x = 9,907,746.02 × 3,916,309.47
  4. Step 4: Simplify right side
    7,179,480.24x = 38,801,799,564,480.81
  5. Step 5: Solve for x
    x = 38,801,799,564,480.81/7,179,480.24
  6. Step 6: Final answer
    x = 5,404,541.59

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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.