Home / 7,904,031.21-10,904,223.06-5,291,377.05

Finding the Fourth Proportional to 7,904,031.21, 10,904,223.06 and 5,291,377.05

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Solution

The fourth proportional to 7,904,031.21, 10,904,223.06 and 5,291,377.05 is: 7,299,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904,031.21 : 10,904,223.06 = 5,291,377.05 : x
  2. Step 2: Convert to fraction form
    7,904,031.21/10,904,223.06 = 5,291,377.05/x
  3. Step 3: Cross multiply
    7,904,031.21x = 10,904,223.06 × 5,291,377.05
  4. Step 4: Simplify right side
    7,904,031.21x = 57,698,355,647,764.77
  5. Step 5: Solve for x
    x = 57,698,355,647,764.77/7,904,031.21
  6. Step 6: Final answer
    x = 7,299,864.35

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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.