Home / 7,774,848.51-10,729,518.60-4,242,872.72

Finding the Fourth Proportional to 7,774,848.51, 10,729,518.60 and 4,242,872.72

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Solution

The fourth proportional to 7,774,848.51, 10,729,518.60 and 4,242,872.72 is: 5,855,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774,848.51 : 10,729,518.60 = 4,242,872.72 : x
  2. Step 2: Convert to fraction form
    7,774,848.51/10,729,518.60 = 4,242,872.72/x
  3. Step 3: Cross multiply
    7,774,848.51x = 10,729,518.60 × 4,242,872.72
  4. Step 4: Simplify right side
    7,774,848.51x = 45,523,981,713,024.99
  5. Step 5: Solve for x
    x = 45,523,981,713,024.99/7,774,848.51
  6. Step 6: Final answer
    x = 5,855,288.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.