Home / 30,447,553.59-42,018,200.42-16,695,697.59

Finding the Fourth Proportional to 30,447,553.59, 42,018,200.42 and 16,695,697.59

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Solution

The fourth proportional to 30,447,553.59, 42,018,200.42 and 16,695,697.59 is: 23,040,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447,553.59 : 42,018,200.42 = 16,695,697.59 : x
  2. Step 2: Convert to fraction form
    30,447,553.59/42,018,200.42 = 16,695,697.59/x
  3. Step 3: Cross multiply
    30,447,553.59x = 42,018,200.42 × 16,695,697.59
  4. Step 4: Simplify right side
    30,447,553.59x = 701,523,167,404,852.50
  5. Step 5: Solve for x
    x = 701,523,167,404,852.50/30,447,553.59
  6. Step 6: Final answer
    x = 23,040,378.77

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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.