Home / 7,615,400.68-10,509,191.70-4,130,730.78

Finding the Fourth Proportional to 7,615,400.68, 10,509,191.70 and 4,130,730.78

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Solution

The fourth proportional to 7,615,400.68, 10,509,191.70 and 4,130,730.78 is: 5,700,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615,400.68 : 10,509,191.70 = 4,130,730.78 : x
  2. Step 2: Convert to fraction form
    7,615,400.68/10,509,191.70 = 4,130,730.78/x
  3. Step 3: Cross multiply
    7,615,400.68x = 10,509,191.70 × 4,130,730.78
  4. Step 4: Simplify right side
    7,615,400.68x = 43,410,641,628,110.52
  5. Step 5: Solve for x
    x = 43,410,641,628,110.52/7,615,400.68
  6. Step 6: Final answer
    x = 5,700,375.26

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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.