Home / 7,480,712.04-11,221,068.09-5,777,339.86

Finding the Fourth Proportional to 7,480,712.04, 11,221,068.09 and 5,777,339.86

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Solution

The fourth proportional to 7,480,712.04, 11,221,068.09 and 5,777,339.86 is: 8,666,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,712.04 : 11,221,068.09 = 5,777,339.86 : x
  2. Step 2: Convert to fraction form
    7,480,712.04/11,221,068.09 = 5,777,339.86/x
  3. Step 3: Cross multiply
    7,480,712.04x = 11,221,068.09 × 5,777,339.86
  4. Step 4: Simplify right side
    7,480,712.04x = 64,827,923,978,589.27
  5. Step 5: Solve for x
    x = 64,827,923,978,589.27/7,480,712.04
  6. Step 6: Final answer
    x = 8,666,009.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.