Home / 18,536,493.90-27,804,740.85-17,780,666.70

Finding the Fourth Proportional to 18,536,493.90, 27,804,740.85 and 17,780,666.70

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Solution

The fourth proportional to 18,536,493.90, 27,804,740.85 and 17,780,666.70 is: 26,671,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,493.90 : 27,804,740.85 = 17,780,666.70 : x
  2. Step 2: Convert to fraction form
    18,536,493.90/27,804,740.85 = 17,780,666.70/x
  3. Step 3: Cross multiply
    18,536,493.90x = 27,804,740.85 × 17,780,666.70
  4. Step 4: Simplify right side
    18,536,493.90x = 494,386,829,733,724.69
  5. Step 5: Solve for x
    x = 494,386,829,733,724.69/18,536,493.90
  6. Step 6: Final answer
    x = 26,671,000.05

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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.