Home / 13,756,920.40-20,630,131.80-4,169,112.40

Finding the Fourth Proportional to 13,756,920.40, 20,630,131.80 and 4,169,112.40

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Solution

The fourth proportional to 13,756,920.40, 20,630,131.80 and 4,169,112.40 is: 6,252,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756,920.40 : 20,630,131.80 = 4,169,112.40 : x
  2. Step 2: Convert to fraction form
    13,756,920.40/20,630,131.80 = 4,169,112.40/x
  3. Step 3: Cross multiply
    13,756,920.40x = 20,630,131.80 × 4,169,112.40
  4. Step 4: Simplify right side
    13,756,920.40x = 86,009,338,301,014.33
  5. Step 5: Solve for x
    x = 86,009,338,301,014.33/13,756,920.40
  6. Step 6: Final answer
    x = 6,252,077.92

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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.