Home / 8,940,218.40-12,337,136.73-5,072,656.32

Finding the Fourth Proportional to 8,940,218.40, 12,337,136.73 and 5,072,656.32

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Solution

The fourth proportional to 8,940,218.40, 12,337,136.73 and 5,072,656.32 is: 7,000,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,218.40 : 12,337,136.73 = 5,072,656.32 : x
  2. Step 2: Convert to fraction form
    8,940,218.40/12,337,136.73 = 5,072,656.32/x
  3. Step 3: Cross multiply
    8,940,218.40x = 12,337,136.73 × 5,072,656.32
  4. Step 4: Simplify right side
    8,940,218.40x = 62,582,054,604,138.64
  5. Step 5: Solve for x
    x = 62,582,054,604,138.64/8,940,218.40
  6. Step 6: Final answer
    x = 7,000,058.81

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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.