Home / 30,347,078.51-41,869,407.46-18,574,073.57

Finding the Fourth Proportional to 30,347,078.51, 41,869,407.46 and 18,574,073.57

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Solution

The fourth proportional to 30,347,078.51, 41,869,407.46 and 18,574,073.57 is: 25,626,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,078.51 : 41,869,407.46 = 18,574,073.57 : x
  2. Step 2: Convert to fraction form
    30,347,078.51/41,869,407.46 = 18,574,073.57/x
  3. Step 3: Cross multiply
    30,347,078.51x = 41,869,407.46 × 18,574,073.57
  4. Step 4: Simplify right side
    30,347,078.51x = 777,685,454,421,743.38
  5. Step 5: Solve for x
    x = 777,685,454,421,743.38/30,347,078.51
  6. Step 6: Final answer
    x = 25,626,369.74

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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.