Home / 14,484,421.49-19,988,180.26-7,868,839.03

Finding the Fourth Proportional to 14,484,421.49, 19,988,180.26 and 7,868,839.03

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Solution

The fourth proportional to 14,484,421.49, 19,988,180.26 and 7,868,839.03 is: 10,858,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484,421.49 : 19,988,180.26 = 7,868,839.03 : x
  2. Step 2: Convert to fraction form
    14,484,421.49/19,988,180.26 = 7,868,839.03/x
  3. Step 3: Cross multiply
    14,484,421.49x = 19,988,180.26 × 7,868,839.03
  4. Step 4: Simplify right side
    14,484,421.49x = 157,283,772,898,921
  5. Step 5: Solve for x
    x = 157,283,772,898,921/14,484,421.49
  6. Step 6: Final answer
    x = 10,858,823.26

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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.