Home / 15,885,360.48-21,921,106.46-8,820,513.74

Finding the Fourth Proportional to 15,885,360.48, 21,921,106.46 and 8,820,513.74

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Solution

The fourth proportional to 15,885,360.48, 21,921,106.46 and 8,820,513.74 is: 12,171,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885,360.48 : 21,921,106.46 = 8,820,513.74 : x
  2. Step 2: Convert to fraction form
    15,885,360.48/21,921,106.46 = 8,820,513.74/x
  3. Step 3: Cross multiply
    15,885,360.48x = 21,921,106.46 × 8,820,513.74
  4. Step 4: Simplify right side
    15,885,360.48x = 193,355,420,726,432.78
  5. Step 5: Solve for x
    x = 193,355,420,726,432.78/15,885,360.48
  6. Step 6: Final answer
    x = 12,171,925.27

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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.