Home / 13,290,838.05-19,939,185.11-4,068,880.30

Finding the Fourth Proportional to 13,290,838.05, 19,939,185.11 and 4,068,880.30

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Solution

The fourth proportional to 13,290,838.05, 19,939,185.11 and 4,068,880.30 is: 6,104,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,838.05 : 19,939,185.11 = 4,068,880.30 : x
  2. Step 2: Convert to fraction form
    13,290,838.05/19,939,185.11 = 4,068,880.30/x
  3. Step 3: Cross multiply
    13,290,838.05x = 19,939,185.11 × 4,068,880.30
  4. Step 4: Simplify right side
    13,290,838.05x = 81,130,157,527,228.52
  5. Step 5: Solve for x
    x = 81,130,157,527,228.52/13,290,838.05
  6. Step 6: Final answer
    x = 6,104,216.84

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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.