Home / 13,285,555.40-19,922,428.20-5,195,842.40

Finding the Fourth Proportional to 13,285,555.40, 19,922,428.20 and 5,195,842.40

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Solution

The fourth proportional to 13,285,555.40, 19,922,428.20 and 5,195,842.40 is: 7,791,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,555.40 : 19,922,428.20 = 5,195,842.40 : x
  2. Step 2: Convert to fraction form
    13,285,555.40/19,922,428.20 = 5,195,842.40/x
  3. Step 3: Cross multiply
    13,285,555.40x = 19,922,428.20 × 5,195,842.40
  4. Step 4: Simplify right side
    13,285,555.40x = 103,513,797,152,515.69
  5. Step 5: Solve for x
    x = 103,513,797,152,515.69/13,285,555.40
  6. Step 6: Final answer
    x = 7,791,454.26

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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.