Home / 13,901,123.20-20,853,653.10-4,315,502.20

Finding the Fourth Proportional to 13,901,123.20, 20,853,653.10 and 4,315,502.20

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Solution

The fourth proportional to 13,901,123.20, 20,853,653.10 and 4,315,502.20 is: 6,473,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,123.20 : 20,853,653.10 = 4,315,502.20 : x
  2. Step 2: Convert to fraction form
    13,901,123.20/20,853,653.10 = 4,315,502.20/x
  3. Step 3: Cross multiply
    13,901,123.20x = 20,853,653.10 × 4,315,502.20
  4. Step 4: Simplify right side
    13,901,123.20x = 89,993,985,831,086.83
  5. Step 5: Solve for x
    x = 89,993,985,831,086.83/13,901,123.20
  6. Step 6: Final answer
    x = 6,473,864.34

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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.