Home / 20,776,775.08-31,168,511.48-6,399,828.93

Finding the Fourth Proportional to 20,776,775.08, 31,168,511.48 and 6,399,828.93

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Solution

The fourth proportional to 20,776,775.08, 31,168,511.48 and 6,399,828.93 is: 9,600,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,775.08 : 31,168,511.48 = 6,399,828.93 : x
  2. Step 2: Convert to fraction form
    20,776,775.08/31,168,511.48 = 6,399,828.93/x
  3. Step 3: Cross multiply
    20,776,775.08x = 31,168,511.48 × 6,399,828.93
  4. Step 4: Simplify right side
    20,776,775.08x = 199,473,141,474,741.12
  5. Step 5: Solve for x
    x = 199,473,141,474,741.12/20,776,775.08
  6. Step 6: Final answer
    x = 9,600,774.94

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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.