Home / 30,451,667.88-45,681,844.50-9,977,010.60

Finding the Fourth Proportional to 30,451,667.88, 45,681,844.50 and 9,977,010.60

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Solution

The fourth proportional to 30,451,667.88, 45,681,844.50 and 9,977,010.60 is: 14,966,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,451,667.88 : 45,681,844.50 = 9,977,010.60 : x
  2. Step 2: Convert to fraction form
    30,451,667.88/45,681,844.50 = 9,977,010.60/x
  3. Step 3: Cross multiply
    30,451,667.88x = 45,681,844.50 × 9,977,010.60
  4. Step 4: Simplify right side
    30,451,667.88x = 455,768,246,804,051.69
  5. Step 5: Solve for x
    x = 455,768,246,804,051.69/30,451,667.88
  6. Step 6: Final answer
    x = 14,966,938.71

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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.