Home / 20,439,360.23-30,671,804.27-13,620,717.95

Finding the Fourth Proportional to 20,439,360.23, 30,671,804.27 and 13,620,717.95

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Solution

The fourth proportional to 20,439,360.23, 30,671,804.27 and 13,620,717.95 is: 20,439,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439,360.23 : 30,671,804.27 = 13,620,717.95 : x
  2. Step 2: Convert to fraction form
    20,439,360.23/30,671,804.27 = 13,620,717.95/x
  3. Step 3: Cross multiply
    20,439,360.23x = 30,671,804.27 × 13,620,717.95
  4. Step 4: Simplify right side
    20,439,360.23x = 417,771,994,987,851.62
  5. Step 5: Solve for x
    x = 417,771,994,987,851.62/20,439,360.23
  6. Step 6: Final answer
    x = 20,439,582.77

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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.