Home / 15,990,572.04-22,066,989.06-8,648,405.72

Finding the Fourth Proportional to 15,990,572.04, 22,066,989.06 and 8,648,405.72

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Solution

The fourth proportional to 15,990,572.04, 22,066,989.06 and 8,648,405.72 is: 11,934,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,572.04 : 22,066,989.06 = 8,648,405.72 : x
  2. Step 2: Convert to fraction form
    15,990,572.04/22,066,989.06 = 8,648,405.72/x
  3. Step 3: Cross multiply
    15,990,572.04x = 22,066,989.06 × 8,648,405.72
  4. Step 4: Simplify right side
    15,990,572.04x = 190,844,274,409,681.44
  5. Step 5: Solve for x
    x = 190,844,274,409,681.44/15,990,572.04
  6. Step 6: Final answer
    x = 11,934,799.70

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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.