Home / 19,970,457.40-29,957,390.10-7,015,475.82

Finding the Fourth Proportional to 19,970,457.40, 29,957,390.10 and 7,015,475.82

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Solution

The fourth proportional to 19,970,457.40, 29,957,390.10 and 7,015,475.82 is: 10,523,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970,457.40 : 29,957,390.10 = 7,015,475.82 : x
  2. Step 2: Convert to fraction form
    19,970,457.40/29,957,390.10 = 7,015,475.82/x
  3. Step 3: Cross multiply
    19,970,457.40x = 29,957,390.10 × 7,015,475.82
  4. Step 4: Simplify right side
    19,970,457.40x = 210,165,345,876,857.41
  5. Step 5: Solve for x
    x = 210,165,345,876,857.41/19,970,457.40
  6. Step 6: Final answer
    x = 10,523,812.33

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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.