Home / 28,608,181.40-42,912,272.10-17,837,643.80

Finding the Fourth Proportional to 28,608,181.40, 42,912,272.10 and 17,837,643.80

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Solution

The fourth proportional to 28,608,181.40, 42,912,272.10 and 17,837,643.80 is: 26,756,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,181.40 : 42,912,272.10 = 17,837,643.80 : x
  2. Step 2: Convert to fraction form
    28,608,181.40/42,912,272.10 = 17,837,643.80/x
  3. Step 3: Cross multiply
    28,608,181.40x = 42,912,272.10 × 17,837,643.80
  4. Step 4: Simplify right side
    28,608,181.40x = 765,453,824,368,478
  5. Step 5: Solve for x
    x = 765,453,824,368,478/28,608,181.40
  6. Step 6: Final answer
    x = 26,756,465.70

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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.