Home / 28,514,815.20-42,772,222.80-13,398,271.20

Finding the Fourth Proportional to 28,514,815.20, 42,772,222.80 and 13,398,271.20

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Solution

The fourth proportional to 28,514,815.20, 42,772,222.80 and 13,398,271.20 is: 20,097,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,815.20 : 42,772,222.80 = 13,398,271.20 : x
  2. Step 2: Convert to fraction form
    28,514,815.20/42,772,222.80 = 13,398,271.20/x
  3. Step 3: Cross multiply
    28,514,815.20x = 42,772,222.80 × 13,398,271.20
  4. Step 4: Simplify right side
    28,514,815.20x = 573,073,840,901,223.25
  5. Step 5: Solve for x
    x = 573,073,840,901,223.25/28,514,815.20
  6. Step 6: Final answer
    x = 20,097,406.80

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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.