Home / 14,226,712.72-21,340,084.47-6,658,992.88

Finding the Fourth Proportional to 14,226,712.72, 21,340,084.47 and 6,658,992.88

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Solution

The fourth proportional to 14,226,712.72, 21,340,084.47 and 6,658,992.88 is: 9,988,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226,712.72 : 21,340,084.47 = 6,658,992.88 : x
  2. Step 2: Convert to fraction form
    14,226,712.72/21,340,084.47 = 6,658,992.88/x
  3. Step 3: Cross multiply
    14,226,712.72x = 21,340,084.47 × 6,658,992.88
  4. Step 4: Simplify right side
    14,226,712.72x = 142,103,470,490,978.38
  5. Step 5: Solve for x
    x = 142,103,470,490,978.38/14,226,712.72
  6. Step 6: Final answer
    x = 9,988,496.52

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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.