Home / 20,602,348.64-30,880,014.63-8,298,436.90

Finding the Fourth Proportional to 20,602,348.64, 30,880,014.63 and 8,298,436.90

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Solution

The fourth proportional to 20,602,348.64, 30,880,014.63 and 8,298,436.90 is: 12,438,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,348.64 : 30,880,014.63 = 8,298,436.90 : x
  2. Step 2: Convert to fraction form
    20,602,348.64/30,880,014.63 = 8,298,436.90/x
  3. Step 3: Cross multiply
    20,602,348.64x = 30,880,014.63 × 8,298,436.90
  4. Step 4: Simplify right side
    20,602,348.64x = 256,255,852,682,239.56
  5. Step 5: Solve for x
    x = 256,255,852,682,239.56/20,602,348.64
  6. Step 6: Final answer
    x = 12,438,186.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.