Home / 28,407,965.14-42,611,690.70-8,977,194.33

Finding the Fourth Proportional to 28,407,965.14, 42,611,690.70 and 8,977,194.33

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Solution

The fourth proportional to 28,407,965.14, 42,611,690.70 and 8,977,194.33 is: 13,465,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407,965.14 : 42,611,690.70 = 8,977,194.33 : x
  2. Step 2: Convert to fraction form
    28,407,965.14/42,611,690.70 = 8,977,194.33/x
  3. Step 3: Cross multiply
    28,407,965.14x = 42,611,690.70 × 8,977,194.33
  4. Step 4: Simplify right side
    28,407,965.14x = 382,533,428,250,282.94
  5. Step 5: Solve for x
    x = 382,533,428,250,282.94/28,407,965.14
  6. Step 6: Final answer
    x = 13,465,710.28

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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.