Home / 31,209,708.80-46,814,563.20-11,012,326.40

Finding the Fourth Proportional to 31,209,708.80, 46,814,563.20 and 11,012,326.40

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Solution

The fourth proportional to 31,209,708.80, 46,814,563.20 and 11,012,326.40 is: 16,518,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209,708.80 : 46,814,563.20 = 11,012,326.40 : x
  2. Step 2: Convert to fraction form
    31,209,708.80/46,814,563.20 = 11,012,326.40/x
  3. Step 3: Cross multiply
    31,209,708.80x = 46,814,563.20 × 11,012,326.40
  4. Step 4: Simplify right side
    31,209,708.80x = 515,537,250,231,828.50
  5. Step 5: Solve for x
    x = 515,537,250,231,828.50/31,209,708.80
  6. Step 6: Final answer
    x = 16,518,489.60

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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.