Home / 28,361,613.02-42,553,141.30-11,102,148.92

Finding the Fourth Proportional to 28,361,613.02, 42,553,141.30 and 11,102,148.92

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Solution

The fourth proportional to 28,361,613.02, 42,553,141.30 and 11,102,148.92 is: 16,657,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,613.02 : 42,553,141.30 = 11,102,148.92 : x
  2. Step 2: Convert to fraction form
    28,361,613.02/42,553,141.30 = 11,102,148.92/x
  3. Step 3: Cross multiply
    28,361,613.02x = 42,553,141.30 × 11,102,148.92
  4. Step 4: Simplify right side
    28,361,613.02x = 472,431,311,576,048.94
  5. Step 5: Solve for x
    x = 472,431,311,576,048.94/28,361,613.02
  6. Step 6: Final answer
    x = 16,657,420.41

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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.