Home / 13,890,150.86-19,168,403.20-7,695,599.18

Finding the Fourth Proportional to 13,890,150.86, 19,168,403.20 and 7,695,599.18

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Solution

The fourth proportional to 13,890,150.86, 19,168,403.20 and 7,695,599.18 is: 10,619,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,150.86 : 19,168,403.20 = 7,695,599.18 : x
  2. Step 2: Convert to fraction form
    13,890,150.86/19,168,403.20 = 7,695,599.18/x
  3. Step 3: Cross multiply
    13,890,150.86x = 19,168,403.20 × 7,695,599.18
  4. Step 4: Simplify right side
    13,890,150.86x = 147,512,347,947,829.38
  5. Step 5: Solve for x
    x = 147,512,347,947,829.38/13,890,150.86
  6. Step 6: Final answer
    x = 10,619,924.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.