Home / 10,781,996.20-16,168,328.70-4,390,124.20

Finding the Fourth Proportional to 10,781,996.20, 16,168,328.70 and 4,390,124.20

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Solution

The fourth proportional to 10,781,996.20, 16,168,328.70 and 4,390,124.20 is: 6,583,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,996.20 : 16,168,328.70 = 4,390,124.20 : x
  2. Step 2: Convert to fraction form
    10,781,996.20/16,168,328.70 = 4,390,124.20/x
  3. Step 3: Cross multiply
    10,781,996.20x = 16,168,328.70 × 4,390,124.20
  4. Step 4: Simplify right side
    10,781,996.20x = 70,980,971,099,424.55
  5. Step 5: Solve for x
    x = 70,980,971,099,424.55/10,781,996.20
  6. Step 6: Final answer
    x = 6,583,286.60

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1.5x scale

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.