Home / 15,786,178.69-23,681,512.67-4,857,274.49

Finding the Fourth Proportional to 15,786,178.69, 23,681,512.67 and 4,857,274.49

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Solution

The fourth proportional to 15,786,178.69, 23,681,512.67 and 4,857,274.49 is: 7,286,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,178.69 : 23,681,512.67 = 4,857,274.49 : x
  2. Step 2: Convert to fraction form
    15,786,178.69/23,681,512.67 = 4,857,274.49/x
  3. Step 3: Cross multiply
    15,786,178.69x = 23,681,512.67 × 4,857,274.49
  4. Step 4: Simplify right side
    15,786,178.69x = 115,027,607,411,520.19
  5. Step 5: Solve for x
    x = 115,027,607,411,520.19/15,786,178.69
  6. Step 6: Final answer
    x = 7,286,602.39

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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.