Home / 20,030,998.51-30,046,451.04-13,157,862.71

Finding the Fourth Proportional to 20,030,998.51, 30,046,451.04 and 13,157,862.71

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Solution

The fourth proportional to 20,030,998.51, 30,046,451.04 and 13,157,862.71 is: 19,736,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,998.51 : 30,046,451.04 = 13,157,862.71 : x
  2. Step 2: Convert to fraction form
    20,030,998.51/30,046,451.04 = 13,157,862.71/x
  3. Step 3: Cross multiply
    20,030,998.51x = 30,046,451.04 × 13,157,862.71
  4. Step 4: Simplify right side
    20,030,998.51x = 395,347,077,707,056.75
  5. Step 5: Solve for x
    x = 395,347,077,707,056.75/20,030,998.51
  6. Step 6: Final answer
    x = 19,736,763.37

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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.