Home / 22,486,173.76-31,030,929.80-12,172,896.52

Finding the Fourth Proportional to 22,486,173.76, 31,030,929.80 and 12,172,896.52

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Solution

The fourth proportional to 22,486,173.76, 31,030,929.80 and 12,172,896.52 is: 16,798,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,173.76 : 31,030,929.80 = 12,172,896.52 : x
  2. Step 2: Convert to fraction form
    22,486,173.76/31,030,929.80 = 12,172,896.52/x
  3. Step 3: Cross multiply
    22,486,173.76x = 31,030,929.80 × 12,172,896.52
  4. Step 4: Simplify right side
    22,486,173.76x = 377,736,297,374,784.31
  5. Step 5: Solve for x
    x = 377,736,297,374,784.31/22,486,173.76
  6. Step 6: Final answer
    x = 16,798,602.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.