Home / 15,395,035.61-21,245,205.44-8,330,628.91

Finding the Fourth Proportional to 15,395,035.61, 21,245,205.44 and 8,330,628.91

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Solution

The fourth proportional to 15,395,035.61, 21,245,205.44 and 8,330,628.91 is: 11,496,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,035.61 : 21,245,205.44 = 8,330,628.91 : x
  2. Step 2: Convert to fraction form
    15,395,035.61/21,245,205.44 = 8,330,628.91/x
  3. Step 3: Cross multiply
    15,395,035.61x = 21,245,205.44 × 8,330,628.91
  4. Step 4: Simplify right side
    15,395,035.61x = 176,985,922,637,353.28
  5. Step 5: Solve for x
    x = 176,985,922,637,353.28/15,395,035.61
  6. Step 6: Final answer
    x = 11,496,298.36

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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.