Home / 21,557,780.60-32,341,163.70-7,185,313.40

Finding the Fourth Proportional to 21,557,780.60, 32,341,163.70 and 7,185,313.40

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Solution

The fourth proportional to 21,557,780.60, 32,341,163.70 and 7,185,313.40 is: 10,779,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,780.60 : 32,341,163.70 = 7,185,313.40 : x
  2. Step 2: Convert to fraction form
    21,557,780.60/32,341,163.70 = 7,185,313.40/x
  3. Step 3: Cross multiply
    21,557,780.60x = 32,341,163.70 × 7,185,313.40
  4. Step 4: Simplify right side
    21,557,780.60x = 232,381,396,905,203.59
  5. Step 5: Solve for x
    x = 232,381,396,905,203.59/21,557,780.60
  6. Step 6: Final answer
    x = 10,779,467.57

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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.