Home / 19,360,051.60-29,040,077.40-12,591,821.20

Finding the Fourth Proportional to 19,360,051.60, 29,040,077.40 and 12,591,821.20

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Solution

The fourth proportional to 19,360,051.60, 29,040,077.40 and 12,591,821.20 is: 18,887,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,051.60 : 29,040,077.40 = 12,591,821.20 : x
  2. Step 2: Convert to fraction form
    19,360,051.60/29,040,077.40 = 12,591,821.20/x
  3. Step 3: Cross multiply
    19,360,051.60x = 29,040,077.40 × 12,591,821.20
  4. Step 4: Simplify right side
    19,360,051.60x = 365,667,462,254,960.81
  5. Step 5: Solve for x
    x = 365,667,462,254,960.81/19,360,051.60
  6. Step 6: Final answer
    x = 18,887,731.80

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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.