Home / 12,287,421.36-18,417,392.82-4,603,673.88

Finding the Fourth Proportional to 12,287,421.36, 18,417,392.82 and 4,603,673.88

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Solution

The fourth proportional to 12,287,421.36, 18,417,392.82 and 4,603,673.88 is: 6,900,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,421.36 : 18,417,392.82 = 4,603,673.88 : x
  2. Step 2: Convert to fraction form
    12,287,421.36/18,417,392.82 = 4,603,673.88/x
  3. Step 3: Cross multiply
    12,287,421.36x = 18,417,392.82 × 4,603,673.88
  4. Step 4: Simplify right side
    12,287,421.36x = 84,787,670,263,133.55
  5. Step 5: Solve for x
    x = 84,787,670,263,133.55/12,287,421.36
  6. Step 6: Final answer
    x = 6,900,363.21

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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.