Home / 21,191,646.83-31,781,779.07-5,835,280.46

Finding the Fourth Proportional to 21,191,646.83, 31,781,779.07 and 5,835,280.46

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Solution

The fourth proportional to 21,191,646.83, 31,781,779.07 and 5,835,280.46 is: 8,751,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,191,646.83 : 31,781,779.07 = 5,835,280.46 : x
  2. Step 2: Convert to fraction form
    21,191,646.83/31,781,779.07 = 5,835,280.46/x
  3. Step 3: Cross multiply
    21,191,646.83x = 31,781,779.07 × 5,835,280.46
  4. Step 4: Simplify right side
    21,191,646.83x = 185,455,594,203,122.69
  5. Step 5: Solve for x
    x = 185,455,594,203,122.69/21,191,646.83
  6. Step 6: Final answer
    x = 8,751,353.58

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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.