Home / 12,785,244.76-19,178,851.29-4,265,567.56

Finding the Fourth Proportional to 12,785,244.76, 19,178,851.29 and 4,265,567.56

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Solution

The fourth proportional to 12,785,244.76, 19,178,851.29 and 4,265,567.56 is: 6,398,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,244.76 : 19,178,851.29 = 4,265,567.56 : x
  2. Step 2: Convert to fraction form
    12,785,244.76/19,178,851.29 = 4,265,567.56/x
  3. Step 3: Cross multiply
    12,785,244.76x = 19,178,851.29 × 4,265,567.56
  4. Step 4: Simplify right side
    12,785,244.76x = 81,808,685,900,688.14
  5. Step 5: Solve for x
    x = 81,808,685,900,688.14/12,785,244.76
  6. Step 6: Final answer
    x = 6,398,679.68

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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.