Home / 21,037,598.40-31,559,350.05-6,659,166.90

Finding the Fourth Proportional to 21,037,598.40, 31,559,350.05 and 6,659,166.90

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Solution

The fourth proportional to 21,037,598.40, 31,559,350.05 and 6,659,166.90 is: 9,989,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,598.40 : 31,559,350.05 = 6,659,166.90 : x
  2. Step 2: Convert to fraction form
    21,037,598.40/31,559,350.05 = 6,659,166.90/x
  3. Step 3: Cross multiply
    21,037,598.40x = 31,559,350.05 × 6,659,166.90
  4. Step 4: Simplify right side
    21,037,598.40x = 210,158,979,238,473.38
  5. Step 5: Solve for x
    x = 210,158,979,238,473.38/21,037,598.40
  6. Step 6: Final answer
    x = 9,989,684.91

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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.