Home / 7,791,970.96-10,749,775.80-5,179,738.24

Finding the Fourth Proportional to 7,791,970.96, 10,749,775.80 and 5,179,738.24

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Solution

The fourth proportional to 7,791,970.96, 10,749,775.80 and 5,179,738.24 is: 7,145,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,970.96 : 10,749,775.80 = 5,179,738.24 : x
  2. Step 2: Convert to fraction form
    7,791,970.96/10,749,775.80 = 5,179,738.24/x
  3. Step 3: Cross multiply
    7,791,970.96x = 10,749,775.80 × 5,179,738.24
  4. Step 4: Simplify right side
    7,791,970.96x = 55,681,024,782,686.60
  5. Step 5: Solve for x
    x = 55,681,024,782,686.60/7,791,970.96
  6. Step 6: Final answer
    x = 7,145,948.70

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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.