Home / 14,672,725.28-20,234,289.12-9,440,393.12

Finding the Fourth Proportional to 14,672,725.28, 20,234,289.12 and 9,440,393.12

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Solution

The fourth proportional to 14,672,725.28, 20,234,289.12 and 9,440,393.12 is: 13,018,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,725.28 : 20,234,289.12 = 9,440,393.12 : x
  2. Step 2: Convert to fraction form
    14,672,725.28/20,234,289.12 = 9,440,393.12/x
  3. Step 3: Cross multiply
    14,672,725.28x = 20,234,289.12 × 9,440,393.12
  4. Step 4: Simplify right side
    14,672,725.28x = 191,019,643,796,538.84
  5. Step 5: Solve for x
    x = 191,019,643,796,538.84/14,672,725.28
  6. Step 6: Final answer
    x = 13,018,688.77

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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.