Home / 12,938,752.80-19,373,914.80-10,368,007.20

Finding the Fourth Proportional to 12,938,752.80, 19,373,914.80 and 10,368,007.20

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Solution

The fourth proportional to 12,938,752.80, 19,373,914.80 and 10,368,007.20 is: 15,524,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,752.80 : 19,373,914.80 = 10,368,007.20 : x
  2. Step 2: Convert to fraction form
    12,938,752.80/19,373,914.80 = 10,368,007.20/x
  3. Step 3: Cross multiply
    12,938,752.80x = 19,373,914.80 × 10,368,007.20
  4. Step 4: Simplify right side
    12,938,752.80x = 200,868,888,138,586.56
  5. Step 5: Solve for x
    x = 200,868,888,138,586.56/12,938,752.80
  6. Step 6: Final answer
    x = 15,524,594.31

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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.