Home / 31,260,303.40-46,890,455.10-21,056,636.20

Finding the Fourth Proportional to 31,260,303.40, 46,890,455.10 and 21,056,636.20

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Solution

The fourth proportional to 31,260,303.40, 46,890,455.10 and 21,056,636.20 is: 31,584,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260,303.40 : 46,890,455.10 = 21,056,636.20 : x
  2. Step 2: Convert to fraction form
    31,260,303.40/46,890,455.10 = 21,056,636.20/x
  3. Step 3: Cross multiply
    31,260,303.40x = 46,890,455.10 × 21,056,636.20
  4. Step 4: Simplify right side
    31,260,303.40x = 987,355,254,293,134.62
  5. Step 5: Solve for x
    x = 987,355,254,293,134.62/31,260,303.40
  6. Step 6: Final answer
    x = 31,584,954.30

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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.