Home / 7,615,418.90-10,509,216.83-4,130,749.02

Finding the Fourth Proportional to 7,615,418.90, 10,509,216.83 and 4,130,749.02

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Solution

The fourth proportional to 7,615,418.90, 10,509,216.83 and 4,130,749.02 is: 5,700,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615,418.90 : 10,509,216.83 = 4,130,749.02 : x
  2. Step 2: Convert to fraction form
    7,615,418.90/10,509,216.83 = 4,130,749.02/x
  3. Step 3: Cross multiply
    7,615,418.90x = 10,509,216.83 × 4,130,749.02
  4. Step 4: Simplify right side
    7,615,418.90x = 43,410,937,121,490.01
  5. Step 5: Solve for x
    x = 43,410,937,121,490.01/7,615,418.90
  6. Step 6: Final answer
    x = 5,700,400.42

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1.5x scale

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.