Home / 19,819,700.64-29,732,505.84-7,039,131.84

Finding the Fourth Proportional to 19,819,700.64, 29,732,505.84 and 7,039,131.84

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Solution

The fourth proportional to 19,819,700.64, 29,732,505.84 and 7,039,131.84 is: 10,559,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819,700.64 : 29,732,505.84 = 7,039,131.84 : x
  2. Step 2: Convert to fraction form
    19,819,700.64/29,732,505.84 = 7,039,131.84/x
  3. Step 3: Cross multiply
    19,819,700.64x = 29,732,505.84 × 7,039,131.84
  4. Step 4: Simplify right side
    19,819,700.64x = 209,291,028,541,329.94
  5. Step 5: Solve for x
    x = 209,291,028,541,329.94/19,819,700.64
  6. Step 6: Final answer
    x = 10,559,747.21

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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.