Home / 31,125,506.40-46,688,259.60-18,211,490.10

Finding the Fourth Proportional to 31,125,506.40, 46,688,259.60 and 18,211,490.10

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Solution

The fourth proportional to 31,125,506.40, 46,688,259.60 and 18,211,490.10 is: 27,317,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125,506.40 : 46,688,259.60 = 18,211,490.10 : x
  2. Step 2: Convert to fraction form
    31,125,506.40/46,688,259.60 = 18,211,490.10/x
  3. Step 3: Cross multiply
    31,125,506.40x = 46,688,259.60 × 18,211,490.10
  4. Step 4: Simplify right side
    31,125,506.40x = 850,262,777,491,630
  5. Step 5: Solve for x
    x = 850,262,777,491,630/31,125,506.40
  6. Step 6: Final answer
    x = 27,317,235.15

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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.