Home / 15,116,316.10-20,860,317-8,500,902.59

Finding the Fourth Proportional to 15,116,316.10, 20,860,317 and 8,500,902.59

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Solution

The fourth proportional to 15,116,316.10, 20,860,317 and 8,500,902.59 is: 11,731,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,316.10 : 20,860,317 = 8,500,902.59 : x
  2. Step 2: Convert to fraction form
    15,116,316.10/20,860,317 = 8,500,902.59/x
  3. Step 3: Cross multiply
    15,116,316.10x = 20,860,317 × 8,500,902.59
  4. Step 4: Simplify right side
    15,116,316.10x = 177,331,522,865,671.81
  5. Step 5: Solve for x
    x = 177,331,522,865,671.81/15,116,316.10
  6. Step 6: Final answer
    x = 11,731,133.55

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1.5x scale

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.