Home / 28,141,372.30-38,782,018.20-22,553,271.40

Finding the Fourth Proportional to 28,141,372.30, 38,782,018.20 and 22,553,271.40

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Solution

The fourth proportional to 28,141,372.30, 38,782,018.20 and 22,553,271.40 is: 31,080,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141,372.30 : 38,782,018.20 = 22,553,271.40 : x
  2. Step 2: Convert to fraction form
    28,141,372.30/38,782,018.20 = 22,553,271.40/x
  3. Step 3: Cross multiply
    28,141,372.30x = 38,782,018.20 × 22,553,271.40
  4. Step 4: Simplify right side
    28,141,372.30x = 874,661,381,904,339.50
  5. Step 5: Solve for x
    x = 874,661,381,904,339.50/28,141,372.30
  6. Step 6: Final answer
    x = 31,080,978.30

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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.