Home / 13,079,267.40-19,618,953.98-5,298,328.87

Finding the Fourth Proportional to 13,079,267.40, 19,618,953.98 and 5,298,328.87

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Solution

The fourth proportional to 13,079,267.40, 19,618,953.98 and 5,298,328.87 is: 7,947,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,267.40 : 19,618,953.98 = 5,298,328.87 : x
  2. Step 2: Convert to fraction form
    13,079,267.40/19,618,953.98 = 5,298,328.87/x
  3. Step 3: Cross multiply
    13,079,267.40x = 19,618,953.98 × 5,298,328.87
  4. Step 4: Simplify right side
    13,079,267.40x = 103,947,670,271,435.41
  5. Step 5: Solve for x
    x = 103,947,670,271,435.41/13,079,267.40
  6. Step 6: Final answer
    x = 7,947,514.73

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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.