Home / 15,148,903.84-20,906,003.18-8,959,256.44

Finding the Fourth Proportional to 15,148,903.84, 20,906,003.18 and 8,959,256.44

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Solution

The fourth proportional to 15,148,903.84, 20,906,003.18 and 8,959,256.44 is: 12,364,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,903.84 : 20,906,003.18 = 8,959,256.44 : x
  2. Step 2: Convert to fraction form
    15,148,903.84/20,906,003.18 = 8,959,256.44/x
  3. Step 3: Cross multiply
    15,148,903.84x = 20,906,003.18 × 8,959,256.44
  4. Step 4: Simplify right side
    15,148,903.84x = 187,302,243,528,014.19
  5. Step 5: Solve for x
    x = 187,302,243,528,014.19/15,148,903.84
  6. Step 6: Final answer
    x = 12,364,078.98

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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.