Home / 15,005,492.42-20,707,309.04-8,478,981.41

Finding the Fourth Proportional to 15,005,492.42, 20,707,309.04 and 8,478,981.41

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Solution

The fourth proportional to 15,005,492.42, 20,707,309.04 and 8,478,981.41 is: 11,700,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005,492.42 : 20,707,309.04 = 8,478,981.41 : x
  2. Step 2: Convert to fraction form
    15,005,492.42/20,707,309.04 = 8,478,981.41/x
  3. Step 3: Cross multiply
    15,005,492.42x = 20,707,309.04 × 8,478,981.41
  4. Step 4: Simplify right side
    15,005,492.42x = 175,576,888,255,353.47
  5. Step 5: Solve for x
    x = 175,576,888,255,353.47/15,005,492.42
  6. Step 6: Final answer
    x = 11,700,841.49

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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.