Home / 31,286,048.40-46,929,072.60-8,566,909.20

Finding the Fourth Proportional to 31,286,048.40, 46,929,072.60 and 8,566,909.20

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Solution

The fourth proportional to 31,286,048.40, 46,929,072.60 and 8,566,909.20 is: 12,850,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286,048.40 : 46,929,072.60 = 8,566,909.20 : x
  2. Step 2: Convert to fraction form
    31,286,048.40/46,929,072.60 = 8,566,909.20/x
  3. Step 3: Cross multiply
    31,286,048.40x = 46,929,072.60 × 8,566,909.20
  4. Step 4: Simplify right side
    31,286,048.40x = 402,037,103,804,407.88
  5. Step 5: Solve for x
    x = 402,037,103,804,407.88/31,286,048.40
  6. Step 6: Final answer
    x = 12,850,363.80

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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.