Home / 30,126,381.84-45,187,013.16-11,925,628.38

Finding the Fourth Proportional to 30,126,381.84, 45,187,013.16 and 11,925,628.38

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Solution

The fourth proportional to 30,126,381.84, 45,187,013.16 and 11,925,628.38 is: 17,887,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126,381.84 : 45,187,013.16 = 11,925,628.38 : x
  2. Step 2: Convert to fraction form
    30,126,381.84/45,187,013.16 = 11,925,628.38/x
  3. Step 3: Cross multiply
    30,126,381.84x = 45,187,013.16 × 11,925,628.38
  4. Step 4: Simplify right side
    30,126,381.84x = 538,883,526,548,329.50
  5. Step 5: Solve for x
    x = 538,883,526,548,329.50/30,126,381.84
  6. Step 6: Final answer
    x = 17,887,429.34

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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.