Home / 13,142,967.60-19,693,254.60-7,446,250.80

Finding the Fourth Proportional to 13,142,967.60, 19,693,254.60 and 7,446,250.80

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Solution

The fourth proportional to 13,142,967.60, 19,693,254.60 and 7,446,250.80 is: 11,157,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,967.60 : 19,693,254.60 = 7,446,250.80 : x
  2. Step 2: Convert to fraction form
    13,142,967.60/19,693,254.60 = 7,446,250.80/x
  3. Step 3: Cross multiply
    13,142,967.60x = 19,693,254.60 × 7,446,250.80
  4. Step 4: Simplify right side
    13,142,967.60x = 146,640,912,819,853.69
  5. Step 5: Solve for x
    x = 146,640,912,819,853.69/13,142,967.60
  6. Step 6: Final answer
    x = 11,157,366.99

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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.