Home / 19,782,710.40-29,679,314.40-7,001,882.40

Finding the Fourth Proportional to 19,782,710.40, 29,679,314.40 and 7,001,882.40

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Solution

The fourth proportional to 19,782,710.40, 29,679,314.40 and 7,001,882.40 is: 10,504,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,710.40 : 29,679,314.40 = 7,001,882.40 : x
  2. Step 2: Convert to fraction form
    19,782,710.40/29,679,314.40 = 7,001,882.40/x
  3. Step 3: Cross multiply
    19,782,710.40x = 29,679,314.40 × 7,001,882.40
  4. Step 4: Simplify right side
    19,782,710.40x = 207,811,069,141,426.56
  5. Step 5: Solve for x
    x = 207,811,069,141,426.56/19,782,710.40
  6. Step 6: Final answer
    x = 10,504,681.36

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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.