Home / 30,347,085.16-41,869,416.59-18,574,080.22

Finding the Fourth Proportional to 30,347,085.16, 41,869,416.59 and 18,574,080.22

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Solution

The fourth proportional to 30,347,085.16, 41,869,416.59 and 18,574,080.22 is: 25,626,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,085.16 : 41,869,416.59 = 18,574,080.22 : x
  2. Step 2: Convert to fraction form
    30,347,085.16/41,869,416.59 = 18,574,080.22/x
  3. Step 3: Cross multiply
    30,347,085.16x = 41,869,416.59 × 18,574,080.22
  4. Step 4: Simplify right side
    30,347,085.16x = 777,685,902,507,258.88
  5. Step 5: Solve for x
    x = 777,685,902,507,258.88/30,347,085.16
  6. Step 6: Final answer
    x = 25,626,378.89

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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.