Home / 31,641,979.42-47,464,822.63-12,211,307.28

Finding the Fourth Proportional to 31,641,979.42, 47,464,822.63 and 12,211,307.28

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Solution

The fourth proportional to 31,641,979.42, 47,464,822.63 and 12,211,307.28 is: 18,317,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641,979.42 : 47,464,822.63 = 12,211,307.28 : x
  2. Step 2: Convert to fraction form
    31,641,979.42/47,464,822.63 = 12,211,307.28/x
  3. Step 3: Cross multiply
    31,641,979.42x = 47,464,822.63 × 12,211,307.28
  4. Step 4: Simplify right side
    31,641,979.42x = 579,607,534,140,891.88
  5. Step 5: Solve for x
    x = 579,607,534,140,891.88/31,641,979.42
  6. Step 6: Final answer
    x = 18,317,676.22

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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.