Home / 14,005,347.70-21,008,021.55-8,016,790.90

Finding the Fourth Proportional to 14,005,347.70, 21,008,021.55 and 8,016,790.90

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Solution

The fourth proportional to 14,005,347.70, 21,008,021.55 and 8,016,790.90 is: 12,025,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,347.70 : 21,008,021.55 = 8,016,790.90 : x
  2. Step 2: Convert to fraction form
    14,005,347.70/21,008,021.55 = 8,016,790.90/x
  3. Step 3: Cross multiply
    14,005,347.70x = 21,008,021.55 × 8,016,790.90
  4. Step 4: Simplify right side
    14,005,347.70x = 168,416,915,989,043.91
  5. Step 5: Solve for x
    x = 168,416,915,989,043.91/14,005,347.70
  6. Step 6: Final answer
    x = 12,025,186.35

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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.