Home / 12,476,756.69-18,716,920.34-3,841,587.80

Finding the Fourth Proportional to 12,476,756.69, 18,716,920.34 and 3,841,587.80

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Solution

The fourth proportional to 12,476,756.69, 18,716,920.34 and 3,841,587.80 is: 5,762,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,756.69 : 18,716,920.34 = 3,841,587.80 : x
  2. Step 2: Convert to fraction form
    12,476,756.69/18,716,920.34 = 3,841,587.80/x
  3. Step 3: Cross multiply
    12,476,756.69x = 18,716,920.34 × 3,841,587.80
  4. Step 4: Simplify right side
    12,476,756.69x = 71,902,692,812,507.91
  5. Step 5: Solve for x
    x = 71,902,692,812,507.91/12,476,756.69
  6. Step 6: Final answer
    x = 5,762,931.39

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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.