Home / 15,290,479.20-21,097,802.56-8,766,155.19

Finding the Fourth Proportional to 15,290,479.20, 21,097,802.56 and 8,766,155.19

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Solution

The fourth proportional to 15,290,479.20, 21,097,802.56 and 8,766,155.19 is: 12,095,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,479.20 : 21,097,802.56 = 8,766,155.19 : x
  2. Step 2: Convert to fraction form
    15,290,479.20/21,097,802.56 = 8,766,155.19/x
  3. Step 3: Cross multiply
    15,290,479.20x = 21,097,802.56 × 8,766,155.19
  4. Step 4: Simplify right side
    15,290,479.20x = 184,946,611,408,939.25
  5. Step 5: Solve for x
    x = 184,946,611,408,939.25/15,290,479.20
  6. Step 6: Final answer
    x = 12,095,540.56

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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.