Home / 20,563,825.19-28,381,204.29-13,124,698.67

Finding the Fourth Proportional to 20,563,825.19, 28,381,204.29 and 13,124,698.67

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Solution

The fourth proportional to 20,563,825.19, 28,381,204.29 and 13,124,698.67 is: 18,114,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,825.19 : 28,381,204.29 = 13,124,698.67 : x
  2. Step 2: Convert to fraction form
    20,563,825.19/28,381,204.29 = 13,124,698.67/x
  3. Step 3: Cross multiply
    20,563,825.19x = 28,381,204.29 × 13,124,698.67
  4. Step 4: Simplify right side
    20,563,825.19x = 372,494,754,084,661.19
  5. Step 5: Solve for x
    x = 372,494,754,084,661.19/20,563,825.19
  6. Step 6: Final answer
    x = 18,114,079.01

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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.