Home / 13,426,455.60-20,139,683.40-3,842,146.80

Finding the Fourth Proportional to 13,426,455.60, 20,139,683.40 and 3,842,146.80

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Solution

The fourth proportional to 13,426,455.60, 20,139,683.40 and 3,842,146.80 is: 5,763,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,455.60 : 20,139,683.40 = 3,842,146.80 : x
  2. Step 2: Convert to fraction form
    13,426,455.60/20,139,683.40 = 3,842,146.80/x
  3. Step 3: Cross multiply
    13,426,455.60x = 20,139,683.40 × 3,842,146.80
  4. Step 4: Simplify right side
    13,426,455.60x = 77,379,620,128,323.11
  5. Step 5: Solve for x
    x = 77,379,620,128,323.11/13,426,455.60
  6. Step 6: Final answer
    x = 5,763,220.20

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1.5x scale

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.