Home / 30,981,153.60-46,471,730.40-18,651,722.40

Finding the Fourth Proportional to 30,981,153.60, 46,471,730.40 and 18,651,722.40

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Solution

The fourth proportional to 30,981,153.60, 46,471,730.40 and 18,651,722.40 is: 27,977,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981,153.60 : 46,471,730.40 = 18,651,722.40 : x
  2. Step 2: Convert to fraction form
    30,981,153.60/46,471,730.40 = 18,651,722.40/x
  3. Step 3: Cross multiply
    30,981,153.60x = 46,471,730.40 × 18,651,722.40
  4. Step 4: Simplify right side
    30,981,153.60x = 866,777,814,868,440.88
  5. Step 5: Solve for x
    x = 866,777,814,868,440.88/30,981,153.60
  6. Step 6: Final answer
    x = 27,977,583.60

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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.