Home / 13,142,962.60-19,693,247.10-7,446,245.80

Finding the Fourth Proportional to 13,142,962.60, 19,693,247.10 and 7,446,245.80

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Solution

The fourth proportional to 13,142,962.60, 19,693,247.10 and 7,446,245.80 is: 11,157,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,962.60 : 19,693,247.10 = 7,446,245.80 : x
  2. Step 2: Convert to fraction form
    13,142,962.60/19,693,247.10 = 7,446,245.80/x
  3. Step 3: Cross multiply
    13,142,962.60x = 19,693,247.10 × 7,446,245.80
  4. Step 4: Simplify right side
    13,142,962.60x = 146,640,758,506,737.19
  5. Step 5: Solve for x
    x = 146,640,758,506,737.19/13,142,962.60
  6. Step 6: Final answer
    x = 11,157,359.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.