Home / 7,405,904.80-10,216,031.88-4,308,079.60

Finding the Fourth Proportional to 7,405,904.80, 10,216,031.88 and 4,308,079.60

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Solution

The fourth proportional to 7,405,904.80, 10,216,031.88 and 4,308,079.60 is: 5,942,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,904.80 : 10,216,031.88 = 4,308,079.60 : x
  2. Step 2: Convert to fraction form
    7,405,904.80/10,216,031.88 = 4,308,079.60/x
  3. Step 3: Cross multiply
    7,405,904.80x = 10,216,031.88 × 4,308,079.60
  4. Step 4: Simplify right side
    7,405,904.80x = 44,011,478,535,177.65
  5. Step 5: Solve for x
    x = 44,011,478,535,177.65/7,405,904.80
  6. Step 6: Final answer
    x = 5,942,755.10

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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.