Home / 14,929,556.80-20,602,737.90-8,403,182.50

Finding the Fourth Proportional to 14,929,556.80, 20,602,737.90 and 8,403,182.50

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Solution

The fourth proportional to 14,929,556.80, 20,602,737.90 and 8,403,182.50 is: 11,596,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929,556.80 : 20,602,737.90 = 8,403,182.50 : x
  2. Step 2: Convert to fraction form
    14,929,556.80/20,602,737.90 = 8,403,182.50/x
  3. Step 3: Cross multiply
    14,929,556.80x = 20,602,737.90 × 8,403,182.50
  4. Step 4: Simplify right side
    14,929,556.80x = 173,128,566,573,366.75
  5. Step 5: Solve for x
    x = 173,128,566,573,366.75/14,929,556.80
  6. Step 6: Final answer
    x = 11,596,363.43

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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.