Home / 13,116,595.44-18,100,456.80-7,236,464.40

Finding the Fourth Proportional to 13,116,595.44, 18,100,456.80 and 7,236,464.40

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Solution

The fourth proportional to 13,116,595.44, 18,100,456.80 and 7,236,464.40 is: 9,986,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,595.44 : 18,100,456.80 = 7,236,464.40 : x
  2. Step 2: Convert to fraction form
    13,116,595.44/18,100,456.80 = 7,236,464.40/x
  3. Step 3: Cross multiply
    13,116,595.44x = 18,100,456.80 × 7,236,464.40
  4. Step 4: Simplify right side
    13,116,595.44x = 130,983,311,256,937.94
  5. Step 5: Solve for x
    x = 130,983,311,256,937.94/13,116,595.44
  6. Step 6: Final answer
    x = 9,986,075.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.