Home / 20,038,021.84-30,033,117.91-10,942,409.13

Finding the Fourth Proportional to 20,038,021.84, 30,033,117.91 and 10,942,409.13

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Solution

The fourth proportional to 20,038,021.84, 30,033,117.91 and 10,942,409.13 is: 16,400,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,021.84 : 30,033,117.91 = 10,942,409.13 : x
  2. Step 2: Convert to fraction form
    20,038,021.84/30,033,117.91 = 10,942,409.13/x
  3. Step 3: Cross multiply
    20,038,021.84x = 30,033,117.91 × 10,942,409.13
  4. Step 4: Simplify right side
    20,038,021.84x = 328,634,663,620,750.56
  5. Step 5: Solve for x
    x = 328,634,663,620,750.56/20,038,021.84
  6. Step 6: Final answer
    x = 16,400,554.22

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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.