Home / 13,035,781.60-19,563,003.60-7,349,970.40

Finding the Fourth Proportional to 13,035,781.60, 19,563,003.60 and 7,349,970.40

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Solution

The fourth proportional to 13,035,781.60, 19,563,003.60 and 7,349,970.40 is: 11,030,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035,781.60 : 19,563,003.60 = 7,349,970.40 : x
  2. Step 2: Convert to fraction form
    13,035,781.60/19,563,003.60 = 7,349,970.40/x
  3. Step 3: Cross multiply
    13,035,781.60x = 19,563,003.60 × 7,349,970.40
  4. Step 4: Simplify right side
    13,035,781.60x = 143,787,497,395,093.47
  5. Step 5: Solve for x
    x = 143,787,497,395,093.47/13,035,781.60
  6. Step 6: Final answer
    x = 11,030,216.81

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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.