Home / 13,882,759.48-19,157,967.90-7,687,683.40

Finding the Fourth Proportional to 13,882,759.48, 19,157,967.90 and 7,687,683.40

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Solution

The fourth proportional to 13,882,759.48, 19,157,967.90 and 7,687,683.40 is: 10,608,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,759.48 : 19,157,967.90 = 7,687,683.40 : x
  2. Step 2: Convert to fraction form
    13,882,759.48/19,157,967.90 = 7,687,683.40/x
  3. Step 3: Cross multiply
    13,882,759.48x = 19,157,967.90 × 7,687,683.40
  4. Step 4: Simplify right side
    13,882,759.48x = 147,280,391,802,562.84
  5. Step 5: Solve for x
    x = 147,280,391,802,562.84/13,882,759.48
  6. Step 6: Final answer
    x = 10,608,870.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.