Home / 19,683,619.40-29,526,970.53-5,306,467.16

Finding the Fourth Proportional to 19,683,619.40, 29,526,970.53 and 5,306,467.16

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Solution

The fourth proportional to 19,683,619.40, 29,526,970.53 and 5,306,467.16 is: 7,960,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,619.40 : 29,526,970.53 = 5,306,467.16 : x
  2. Step 2: Convert to fraction form
    19,683,619.40/29,526,970.53 = 5,306,467.16/x
  3. Step 3: Cross multiply
    19,683,619.40x = 29,526,970.53 × 5,306,467.16
  4. Step 4: Simplify right side
    19,683,619.40x = 156,683,899,304,097.97
  5. Step 5: Solve for x
    x = 156,683,899,304,097.97/19,683,619.40
  6. Step 6: Final answer
    x = 7,960,116.29

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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.