Home / 12,688,895.04-19,034,082.48-3,590,231.52

Finding the Fourth Proportional to 12,688,895.04, 19,034,082.48 and 3,590,231.52

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Solution

The fourth proportional to 12,688,895.04, 19,034,082.48 and 3,590,231.52 is: 5,385,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,895.04 : 19,034,082.48 = 3,590,231.52 : x
  2. Step 2: Convert to fraction form
    12,688,895.04/19,034,082.48 = 3,590,231.52/x
  3. Step 3: Cross multiply
    12,688,895.04x = 19,034,082.48 × 3,590,231.52
  4. Step 4: Simplify right side
    12,688,895.04x = 68,336,762,873,975.77
  5. Step 5: Solve for x
    x = 68,336,762,873,975.77/12,688,895.04
  6. Step 6: Final answer
    x = 5,385,556.64

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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.