Home / 20,859,314.40-31,239,205.20-20,859,314.40

Finding the Fourth Proportional to 20,859,314.40, 31,239,205.20 and 20,859,314.40

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Solution

The fourth proportional to 20,859,314.40, 31,239,205.20 and 20,859,314.40 is: 31,239,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859,314.40 : 31,239,205.20 = 20,859,314.40 : x
  2. Step 2: Convert to fraction form
    20,859,314.40/31,239,205.20 = 20,859,314.40/x
  3. Step 3: Cross multiply
    20,859,314.40x = 31,239,205.20 × 20,859,314.40
  4. Step 4: Simplify right side
    20,859,314.40x = 651,628,402,872,914.88
  5. Step 5: Solve for x
    x = 651,628,402,872,914.88/20,859,314.40
  6. Step 6: Final answer
    x = 31,239,205.20

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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.