Home / 13,006,090.10-19,488,139.95-8,205,187.70

Finding the Fourth Proportional to 13,006,090.10, 19,488,139.95 and 8,205,187.70

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Solution

The fourth proportional to 13,006,090.10, 19,488,139.95 and 8,205,187.70 is: 12,294,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,090.10 : 19,488,139.95 = 8,205,187.70 : x
  2. Step 2: Convert to fraction form
    13,006,090.10/19,488,139.95 = 8,205,187.70/x
  3. Step 3: Cross multiply
    13,006,090.10x = 19,488,139.95 × 8,205,187.70
  4. Step 4: Simplify right side
    13,006,090.10x = 159,903,846,213,618.62
  5. Step 5: Solve for x
    x = 159,903,846,213,618.62/13,006,090.10
  6. Step 6: Final answer
    x = 12,294,536.25

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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.