Home / 21,004,807.20-31,507,210.80-16,753,279.20

Finding the Fourth Proportional to 21,004,807.20, 31,507,210.80 and 16,753,279.20

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Solution

The fourth proportional to 21,004,807.20, 31,507,210.80 and 16,753,279.20 is: 25,129,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,807.20 : 31,507,210.80 = 16,753,279.20 : x
  2. Step 2: Convert to fraction form
    21,004,807.20/31,507,210.80 = 16,753,279.20/x
  3. Step 3: Cross multiply
    21,004,807.20x = 31,507,210.80 × 16,753,279.20
  4. Step 4: Simplify right side
    21,004,807.20x = 527,849,099,345,655.38
  5. Step 5: Solve for x
    x = 527,849,099,345,655.38/21,004,807.20
  6. Step 6: Final answer
    x = 25,129,918.80

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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.