Home / 13,788,045.45-20,682,068.18-3,690,666.45

Finding the Fourth Proportional to 13,788,045.45, 20,682,068.18 and 3,690,666.45

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Solution

The fourth proportional to 13,788,045.45, 20,682,068.18 and 3,690,666.45 is: 5,535,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788,045.45 : 20,682,068.18 = 3,690,666.45 : x
  2. Step 2: Convert to fraction form
    13,788,045.45/20,682,068.18 = 3,690,666.45/x
  3. Step 3: Cross multiply
    13,788,045.45x = 20,682,068.18 × 3,690,666.45
  4. Step 4: Simplify right side
    13,788,045.45x = 76,330,615,130,085.23
  5. Step 5: Solve for x
    x = 76,330,615,130,085.23/13,788,045.45
  6. Step 6: Final answer
    x = 5,535,999.68

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Double scale
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Similar ratio
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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.