Home / 13,291,289.60-19,936,934.40-7,606,839.20

Finding the Fourth Proportional to 13,291,289.60, 19,936,934.40 and 7,606,839.20

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Solution

The fourth proportional to 13,291,289.60, 19,936,934.40 and 7,606,839.20 is: 11,410,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,289.60 : 19,936,934.40 = 7,606,839.20 : x
  2. Step 2: Convert to fraction form
    13,291,289.60/19,936,934.40 = 7,606,839.20/x
  3. Step 3: Cross multiply
    13,291,289.60x = 19,936,934.40 × 7,606,839.20
  4. Step 4: Simplify right side
    13,291,289.60x = 151,657,054,121,748.47
  5. Step 5: Solve for x
    x = 151,657,054,121,748.47/13,291,289.60
  6. Step 6: Final answer
    x = 11,410,258.80

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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.