Home / 17,130,378.18-25,685,302.80-5,453,703.30

Finding the Fourth Proportional to 17,130,378.18, 25,685,302.80 and 5,453,703.30

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Solution

The fourth proportional to 17,130,378.18, 25,685,302.80 and 5,453,703.30 is: 8,177,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130,378.18 : 25,685,302.80 = 5,453,703.30 : x
  2. Step 2: Convert to fraction form
    17,130,378.18/25,685,302.80 = 5,453,703.30/x
  3. Step 3: Cross multiply
    17,130,378.18x = 25,685,302.80 × 5,453,703.30
  4. Step 4: Simplify right side
    17,130,378.18x = 140,080,020,641,859.23
  5. Step 5: Solve for x
    x = 140,080,020,641,859.23/17,130,378.18
  6. Step 6: Final answer
    x = 8,177,287.11

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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.