Home / 7,945,615.36-10,966,129.76-4,681,386.72

Finding the Fourth Proportional to 7,945,615.36, 10,966,129.76 and 4,681,386.72

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Solution

The fourth proportional to 7,945,615.36, 10,966,129.76 and 4,681,386.72 is: 6,461,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945,615.36 : 10,966,129.76 = 4,681,386.72 : x
  2. Step 2: Convert to fraction form
    7,945,615.36/10,966,129.76 = 4,681,386.72/x
  3. Step 3: Cross multiply
    7,945,615.36x = 10,966,129.76 × 4,681,386.72
  4. Step 4: Simplify right side
    7,945,615.36x = 51,336,694,228,260.78
  5. Step 5: Solve for x
    x = 51,336,694,228,260.78/7,945,615.36
  6. Step 6: Final answer
    x = 6,461,009.24

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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.