Home / 13,025,032.80-19,538,482.32-3,440,315.76

Finding the Fourth Proportional to 13,025,032.80, 19,538,482.32 and 3,440,315.76

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Solution

The fourth proportional to 13,025,032.80, 19,538,482.32 and 3,440,315.76 is: 5,160,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025,032.80 : 19,538,482.32 = 3,440,315.76 : x
  2. Step 2: Convert to fraction form
    13,025,032.80/19,538,482.32 = 3,440,315.76/x
  3. Step 3: Cross multiply
    13,025,032.80x = 19,538,482.32 × 3,440,315.76
  4. Step 4: Simplify right side
    13,025,032.80x = 67,218,548,651,977.36
  5. Step 5: Solve for x
    x = 67,218,548,651,977.36/13,025,032.80
  6. Step 6: Final answer
    x = 5,160,720.11

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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.