Home / 13,785,752.40-20,679,406.20-4,201,443.60

Finding the Fourth Proportional to 13,785,752.40, 20,679,406.20 and 4,201,443.60

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Solution

The fourth proportional to 13,785,752.40, 20,679,406.20 and 4,201,443.60 is: 6,302,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,752.40 : 20,679,406.20 = 4,201,443.60 : x
  2. Step 2: Convert to fraction form
    13,785,752.40/20,679,406.20 = 4,201,443.60/x
  3. Step 3: Cross multiply
    13,785,752.40x = 20,679,406.20 × 4,201,443.60
  4. Step 4: Simplify right side
    13,785,752.40x = 86,883,358,830,790.31
  5. Step 5: Solve for x
    x = 86,883,358,830,790.31/13,785,752.40
  6. Step 6: Final answer
    x = 6,302,402.39

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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.