Home / 14,102,520.40-21,154,471.80-7,384,056.40

Finding the Fourth Proportional to 14,102,520.40, 21,154,471.80 and 7,384,056.40

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Solution

The fourth proportional to 14,102,520.40, 21,154,471.80 and 7,384,056.40 is: 11,076,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102,520.40 : 21,154,471.80 = 7,384,056.40 : x
  2. Step 2: Convert to fraction form
    14,102,520.40/21,154,471.80 = 7,384,056.40/x
  3. Step 3: Cross multiply
    14,102,520.40x = 21,154,471.80 × 7,384,056.40
  4. Step 4: Simplify right side
    14,102,520.40x = 156,205,812,883,409.53
  5. Step 5: Solve for x
    x = 156,205,812,883,409.53/14,102,520.40
  6. Step 6: Final answer
    x = 11,076,446.51

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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.