Home / 9,339,485.48-12,888,809.32-5,418,945.58

Finding the Fourth Proportional to 9,339,485.48, 12,888,809.32 and 5,418,945.58

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Solution

The fourth proportional to 9,339,485.48, 12,888,809.32 and 5,418,945.58 is: 7,478,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,485.48 : 12,888,809.32 = 5,418,945.58 : x
  2. Step 2: Convert to fraction form
    9,339,485.48/12,888,809.32 = 5,418,945.58/x
  3. Step 3: Cross multiply
    9,339,485.48x = 12,888,809.32 × 5,418,945.58
  4. Step 4: Simplify right side
    9,339,485.48x = 69,843,756,296,076.80
  5. Step 5: Solve for x
    x = 69,843,756,296,076.80/9,339,485.48
  6. Step 6: Final answer
    x = 7,478,330.20

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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.