Home / 28,921,830.50-43,386,037.73-10,486,457.34

Finding the Fourth Proportional to 28,921,830.50, 43,386,037.73 and 10,486,457.34

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Solution

The fourth proportional to 28,921,830.50, 43,386,037.73 and 10,486,457.34 is: 15,730,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921,830.50 : 43,386,037.73 = 10,486,457.34 : x
  2. Step 2: Convert to fraction form
    28,921,830.50/43,386,037.73 = 10,486,457.34/x
  3. Step 3: Cross multiply
    28,921,830.50x = 43,386,037.73 × 10,486,457.34
  4. Step 4: Simplify right side
    28,921,830.50x = 454,965,833,631,469.69
  5. Step 5: Solve for x
    x = 454,965,833,631,469.69/28,921,830.50
  6. Step 6: Final answer
    x = 15,730,879.61

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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.