Home / 7,029,108.48-9,700,064.64-3,973,215.36

Finding the Fourth Proportional to 7,029,108.48, 9,700,064.64 and 3,973,215.36

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Solution

The fourth proportional to 7,029,108.48, 9,700,064.64 and 3,973,215.36 is: 5,482,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029,108.48 : 9,700,064.64 = 3,973,215.36 : x
  2. Step 2: Convert to fraction form
    7,029,108.48/9,700,064.64 = 3,973,215.36/x
  3. Step 3: Cross multiply
    7,029,108.48x = 9,700,064.64 × 3,973,215.36
  4. Step 4: Simplify right side
    7,029,108.48x = 38,540,445,820,640.88
  5. Step 5: Solve for x
    x = 38,540,445,820,640.88/7,029,108.48
  6. Step 6: Final answer
    x = 5,482,977.81

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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.