Home / 10,420,477.20-14,380,258.05-6,346,096.20

Finding the Fourth Proportional to 10,420,477.20, 14,380,258.05 and 6,346,096.20

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Solution

The fourth proportional to 10,420,477.20, 14,380,258.05 and 6,346,096.20 is: 8,757,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,477.20 : 14,380,258.05 = 6,346,096.20 : x
  2. Step 2: Convert to fraction form
    10,420,477.20/14,380,258.05 = 6,346,096.20/x
  3. Step 3: Cross multiply
    10,420,477.20x = 14,380,258.05 × 6,346,096.20
  4. Step 4: Simplify right side
    10,420,477.20x = 91,258,500,966,124.42
  5. Step 5: Solve for x
    x = 91,258,500,966,124.42/10,420,477.20
  6. Step 6: Final answer
    x = 8,757,612.46

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1.5x scale

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.