Home / 6,678,708.30-10,018,062.45-1,630,018.80

Finding the Fourth Proportional to 6,678,708.30, 10,018,062.45 and 1,630,018.80

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Solution

The fourth proportional to 6,678,708.30, 10,018,062.45 and 1,630,018.80 is: 2,445,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,708.30 : 10,018,062.45 = 1,630,018.80 : x
  2. Step 2: Convert to fraction form
    6,678,708.30/10,018,062.45 = 1,630,018.80/x
  3. Step 3: Cross multiply
    6,678,708.30x = 10,018,062.45 × 1,630,018.80
  4. Step 4: Simplify right side
    6,678,708.30x = 16,329,630,133,074.06
  5. Step 5: Solve for x
    x = 16,329,630,133,074.06/6,678,708.30
  6. Step 6: Final answer
    x = 2,445,028.20

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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.