Home / 13,139,083.60-19,695,211.80-8,879,682.40

Finding the Fourth Proportional to 13,139,083.60, 19,695,211.80 and 8,879,682.40

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Solution

The fourth proportional to 13,139,083.60, 19,695,211.80 and 8,879,682.40 is: 13,310,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139,083.60 : 19,695,211.80 = 8,879,682.40 : x
  2. Step 2: Convert to fraction form
    13,139,083.60/19,695,211.80 = 8,879,682.40/x
  3. Step 3: Cross multiply
    13,139,083.60x = 19,695,211.80 × 8,879,682.40
  4. Step 4: Simplify right side
    13,139,083.60x = 174,887,225,584,732.34
  5. Step 5: Solve for x
    x = 174,887,225,584,732.34/13,139,083.60
  6. Step 6: Final answer
    x = 13,310,458.39

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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.