Home / 31,202,209.60-46,803,314.40-28,415,291.20

Finding the Fourth Proportional to 31,202,209.60, 46,803,314.40 and 28,415,291.20

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Solution

The fourth proportional to 31,202,209.60, 46,803,314.40 and 28,415,291.20 is: 42,622,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202,209.60 : 46,803,314.40 = 28,415,291.20 : x
  2. Step 2: Convert to fraction form
    31,202,209.60/46,803,314.40 = 28,415,291.20/x
  3. Step 3: Cross multiply
    31,202,209.60x = 46,803,314.40 × 28,415,291.20
  4. Step 4: Simplify right side
    31,202,209.60x = 1,329,929,807,801,153.25
  5. Step 5: Solve for x
    x = 1,329,929,807,801,153.25/31,202,209.60
  6. Step 6: Final answer
    x = 42,622,936.80

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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.