Home / 28,588,605.40-42,891,325.22-10,392,513.90

Finding the Fourth Proportional to 28,588,605.40, 42,891,325.22 and 10,392,513.90

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Solution

The fourth proportional to 28,588,605.40, 42,891,325.22 and 10,392,513.90 is: 15,591,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,605.40 : 42,891,325.22 = 10,392,513.90 : x
  2. Step 2: Convert to fraction form
    28,588,605.40/42,891,325.22 = 10,392,513.90/x
  3. Step 3: Cross multiply
    28,588,605.40x = 42,891,325.22 × 10,392,513.90
  4. Step 4: Simplify right side
    28,588,605.40x = 445,748,693,538,270.56
  5. Step 5: Solve for x
    x = 445,748,693,538,270.56/28,588,605.40
  6. Step 6: Final answer
    x = 15,591,830.64

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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.