Home / 13,042,074.74-17,997,360.57-7,240,482.81

Finding the Fourth Proportional to 13,042,074.74, 17,997,360.57 and 7,240,482.81

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Solution

The fourth proportional to 13,042,074.74, 17,997,360.57 and 7,240,482.81 is: 9,991,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,074.74 : 17,997,360.57 = 7,240,482.81 : x
  2. Step 2: Convert to fraction form
    13,042,074.74/17,997,360.57 = 7,240,482.81/x
  3. Step 3: Cross multiply
    13,042,074.74x = 17,997,360.57 × 7,240,482.81
  4. Step 4: Simplify right side
    13,042,074.74x = 130,309,579,832,456.80
  5. Step 5: Solve for x
    x = 130,309,579,832,456.80/13,042,074.74
  6. Step 6: Final answer
    x = 9,991,476.24

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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.