Home / 13,765,230.80-20,650,602.36-7,708,575.68

Finding the Fourth Proportional to 13,765,230.80, 20,650,602.36 and 7,708,575.68

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Solution

The fourth proportional to 13,765,230.80, 20,650,602.36 and 7,708,575.68 is: 11,564,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765,230.80 : 20,650,602.36 = 7,708,575.68 : x
  2. Step 2: Convert to fraction form
    13,765,230.80/20,650,602.36 = 7,708,575.68/x
  3. Step 3: Cross multiply
    13,765,230.80x = 20,650,602.36 × 7,708,575.68
  4. Step 4: Simplify right side
    13,765,230.80x = 159,186,731,129,646.59
  5. Step 5: Solve for x
    x = 159,186,731,129,646.59/13,765,230.80
  6. Step 6: Final answer
    x = 11,564,406.98

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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.