Home / 15,717,323.03-21,678,214.07-13,878,537.17

Finding the Fourth Proportional to 15,717,323.03, 21,678,214.07 and 13,878,537.17

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Solution

The fourth proportional to 15,717,323.03, 21,678,214.07 and 13,878,537.17 is: 19,142,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,323.03 : 21,678,214.07 = 13,878,537.17 : x
  2. Step 2: Convert to fraction form
    15,717,323.03/21,678,214.07 = 13,878,537.17/x
  3. Step 3: Cross multiply
    15,717,323.03x = 21,678,214.07 × 13,878,537.17
  4. Step 4: Simplify right side
    15,717,323.03x = 300,861,899,676,017.25
  5. Step 5: Solve for x
    x = 300,861,899,676,017.25/15,717,323.03
  6. Step 6: Final answer
    x = 19,142,057.41

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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.