Home / 12,898,643.50-19,341,986.46-4,809,447.18

Finding the Fourth Proportional to 12,898,643.50, 19,341,986.46 and 4,809,447.18

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Solution

The fourth proportional to 12,898,643.50, 19,341,986.46 and 4,809,447.18 is: 7,211,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,643.50 : 19,341,986.46 = 4,809,447.18 : x
  2. Step 2: Convert to fraction form
    12,898,643.50/19,341,986.46 = 4,809,447.18/x
  3. Step 3: Cross multiply
    12,898,643.50x = 19,341,986.46 × 4,809,447.18
  4. Step 4: Simplify right side
    12,898,643.50x = 93,024,262,217,609.75
  5. Step 5: Solve for x
    x = 93,024,262,217,609.75/12,898,643.50
  6. Step 6: Final answer
    x = 7,211,941.49

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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.