Home / 28,296,005.80-42,444,008.70-10,352,108.20

Finding the Fourth Proportional to 28,296,005.80, 42,444,008.70 and 10,352,108.20

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Solution

The fourth proportional to 28,296,005.80, 42,444,008.70 and 10,352,108.20 is: 15,528,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,005.80 : 42,444,008.70 = 10,352,108.20 : x
  2. Step 2: Convert to fraction form
    28,296,005.80/42,444,008.70 = 10,352,108.20/x
  3. Step 3: Cross multiply
    28,296,005.80x = 42,444,008.70 × 10,352,108.20
  4. Step 4: Simplify right side
    28,296,005.80x = 439,384,970,504,141.31
  5. Step 5: Solve for x
    x = 439,384,970,504,141.31/28,296,005.80
  6. Step 6: Final answer
    x = 15,528,162.30

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1.5x scale

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.