Home / 21,037,595.40-31,559,345.55-6,659,163.90

Finding the Fourth Proportional to 21,037,595.40, 31,559,345.55 and 6,659,163.90

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Solution

The fourth proportional to 21,037,595.40, 31,559,345.55 and 6,659,163.90 is: 9,989,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,595.40 : 31,559,345.55 = 6,659,163.90 : x
  2. Step 2: Convert to fraction form
    21,037,595.40/31,559,345.55 = 6,659,163.90/x
  3. Step 3: Cross multiply
    21,037,595.40x = 31,559,345.55 × 6,659,163.90
  4. Step 4: Simplify right side
    21,037,595.40x = 210,158,854,594,185.66
  5. Step 5: Solve for x
    x = 210,158,854,594,185.66/21,037,595.40
  6. Step 6: Final answer
    x = 9,989,680.41

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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.