Home / 13,811,879.79-19,064,070.09-8,158,925.30

Finding the Fourth Proportional to 13,811,879.79, 19,064,070.09 and 8,158,925.30

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Solution

The fourth proportional to 13,811,879.79, 19,064,070.09 and 8,158,925.30 is: 11,261,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,879.79 : 19,064,070.09 = 8,158,925.30 : x
  2. Step 2: Convert to fraction form
    13,811,879.79/19,064,070.09 = 8,158,925.30/x
  3. Step 3: Cross multiply
    13,811,879.79x = 19,064,070.09 × 8,158,925.30
  4. Step 4: Simplify right side
    13,811,879.79x = 155,542,323,682,953.94
  5. Step 5: Solve for x
    x = 155,542,323,682,953.94/13,811,879.79
  6. Step 6: Final answer
    x = 11,261,488.37

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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.