Home / 12,205,467.17-18,308,200.59-9,511,807.61

Finding the Fourth Proportional to 12,205,467.17, 18,308,200.59 and 9,511,807.61

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Solution

The fourth proportional to 12,205,467.17, 18,308,200.59 and 9,511,807.61 is: 14,267,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205,467.17 : 18,308,200.59 = 9,511,807.61 : x
  2. Step 2: Convert to fraction form
    12,205,467.17/18,308,200.59 = 9,511,807.61/x
  3. Step 3: Cross multiply
    12,205,467.17x = 18,308,200.59 × 9,511,807.61
  4. Step 4: Simplify right side
    12,205,467.17x = 174,144,081,605,827.50
  5. Step 5: Solve for x
    x = 174,144,081,605,827.50/12,205,467.17
  6. Step 6: Final answer
    x = 14,267,711.28

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1.5x scale

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.