Home / 18,755,715.40-28,133,573.10-17,496,003.40

Finding the Fourth Proportional to 18,755,715.40, 28,133,573.10 and 17,496,003.40

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Solution

The fourth proportional to 18,755,715.40, 28,133,573.10 and 17,496,003.40 is: 26,244,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,715.40 : 28,133,573.10 = 17,496,003.40 : x
  2. Step 2: Convert to fraction form
    18,755,715.40/28,133,573.10 = 17,496,003.40/x
  3. Step 3: Cross multiply
    18,755,715.40x = 28,133,573.10 × 17,496,003.40
  4. Step 4: Simplify right side
    18,755,715.40x = 492,225,090,611,748.50
  5. Step 5: Solve for x
    x = 492,225,090,611,748.50/18,755,715.40
  6. Step 6: Final answer
    x = 26,244,005.10

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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.