Home / 12,898,642.57-19,341,985.05-4,809,446.25

Finding the Fourth Proportional to 12,898,642.57, 19,341,985.05 and 4,809,446.25

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Solution

The fourth proportional to 12,898,642.57, 19,341,985.05 and 4,809,446.25 is: 7,211,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,642.57 : 19,341,985.05 = 4,809,446.25 : x
  2. Step 2: Convert to fraction form
    12,898,642.57/19,341,985.05 = 4,809,446.25/x
  3. Step 3: Cross multiply
    12,898,642.57x = 19,341,985.05 × 4,809,446.25
  4. Step 4: Simplify right side
    12,898,642.57x = 93,024,237,466,278.56
  5. Step 5: Solve for x
    x = 93,024,237,466,278.56/12,898,642.57
  6. Step 6: Final answer
    x = 7,211,940.09

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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.