Home / 12,648,421.61-17,454,878.44-6,847,203.35

Finding the Fourth Proportional to 12,648,421.61, 17,454,878.44 and 6,847,203.35

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Solution

The fourth proportional to 12,648,421.61, 17,454,878.44 and 6,847,203.35 is: 9,449,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,421.61 : 17,454,878.44 = 6,847,203.35 : x
  2. Step 2: Convert to fraction form
    12,648,421.61/17,454,878.44 = 6,847,203.35/x
  3. Step 3: Cross multiply
    12,648,421.61x = 17,454,878.44 × 6,847,203.35
  4. Step 4: Simplify right side
    12,648,421.61x = 119,517,102,128,210.78
  5. Step 5: Solve for x
    x = 119,517,102,128,210.78/12,648,421.61
  6. Step 6: Final answer
    x = 9,449,171.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.