Home / 12,333,005.70-18,499,406.14-9,639,594.91

Finding the Fourth Proportional to 12,333,005.70, 18,499,406.14 and 9,639,594.91

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Solution

The fourth proportional to 12,333,005.70, 18,499,406.14 and 9,639,594.91 is: 14,459,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333,005.70 : 18,499,406.14 = 9,639,594.91 : x
  2. Step 2: Convert to fraction form
    12,333,005.70/18,499,406.14 = 9,639,594.91/x
  3. Step 3: Cross multiply
    12,333,005.70x = 18,499,406.14 × 9,639,594.91
  4. Step 4: Simplify right side
    12,333,005.70x = 178,326,781,265,166.75
  5. Step 5: Solve for x
    x = 178,326,781,265,166.75/12,333,005.70
  6. Step 6: Final answer
    x = 14,459,312.32

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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.