Home / 19,929,848.72-29,894,773.41-4,783,780.22

Finding the Fourth Proportional to 19,929,848.72, 29,894,773.41 and 4,783,780.22

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Solution

The fourth proportional to 19,929,848.72, 29,894,773.41 and 4,783,780.22 is: 7,175,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,848.72 : 29,894,773.41 = 4,783,780.22 : x
  2. Step 2: Convert to fraction form
    19,929,848.72/29,894,773.41 = 4,783,780.22/x
  3. Step 3: Cross multiply
    19,929,848.72x = 29,894,773.41 × 4,783,780.22
  4. Step 4: Simplify right side
    19,929,848.72x = 143,010,025,570,666.09
  5. Step 5: Solve for x
    x = 143,010,025,570,666.09/19,929,848.72
  6. Step 6: Final answer
    x = 7,175,670.40

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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.