Home / 30,489,531.60-45,724,659.66-10,015,887.36

Finding the Fourth Proportional to 30,489,531.60, 45,724,659.66 and 10,015,887.36

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Solution

The fourth proportional to 30,489,531.60, 45,724,659.66 and 10,015,887.36 is: 15,020,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,489,531.60 : 45,724,659.66 = 10,015,887.36 : x
  2. Step 2: Convert to fraction form
    30,489,531.60/45,724,659.66 = 10,015,887.36/x
  3. Step 3: Cross multiply
    30,489,531.60x = 45,724,659.66 × 10,015,887.36
  4. Step 4: Simplify right side
    30,489,531.60x = 457,973,040,728,895.81
  5. Step 5: Solve for x
    x = 457,973,040,728,895.81/30,489,531.60
  6. Step 6: Final answer
    x = 15,020,665.02

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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.