Home / 27,866,985.84-38,456,529.56-15,477,077.03

Finding the Fourth Proportional to 27,866,985.84, 38,456,529.56 and 15,477,077.03

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Solution

The fourth proportional to 27,866,985.84, 38,456,529.56 and 15,477,077.03 is: 21,358,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,985.84 : 38,456,529.56 = 15,477,077.03 : x
  2. Step 2: Convert to fraction form
    27,866,985.84/38,456,529.56 = 15,477,077.03/x
  3. Step 3: Cross multiply
    27,866,985.84x = 38,456,529.56 × 15,477,077.03
  4. Step 4: Simplify right side
    27,866,985.84x = 595,194,670,306,592
  5. Step 5: Solve for x
    x = 595,194,670,306,592/27,866,985.84
  6. Step 6: Final answer
    x = 21,358,415.79

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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.