Home / 20,776,673.60-31,165,010.40-12,167,329.40

Finding the Fourth Proportional to 20,776,673.60, 31,165,010.40 and 12,167,329.40

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Solution

The fourth proportional to 20,776,673.60, 31,165,010.40 and 12,167,329.40 is: 18,250,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,673.60 : 31,165,010.40 = 12,167,329.40 : x
  2. Step 2: Convert to fraction form
    20,776,673.60/31,165,010.40 = 12,167,329.40/x
  3. Step 3: Cross multiply
    20,776,673.60x = 31,165,010.40 × 12,167,329.40
  4. Step 4: Simplify right side
    20,776,673.60x = 379,194,947,291,225.75
  5. Step 5: Solve for x
    x = 379,194,947,291,225.75/20,776,673.60
  6. Step 6: Final answer
    x = 18,250,994.10

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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.