Home / 30,347,084.66-41,869,415.90-18,574,079.72

Finding the Fourth Proportional to 30,347,084.66, 41,869,415.90 and 18,574,079.72

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Solution

The fourth proportional to 30,347,084.66, 41,869,415.90 and 18,574,079.72 is: 25,626,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,084.66 : 41,869,415.90 = 18,574,079.72 : x
  2. Step 2: Convert to fraction form
    30,347,084.66/41,869,415.90 = 18,574,079.72/x
  3. Step 3: Cross multiply
    30,347,084.66x = 41,869,415.90 × 18,574,079.72
  4. Step 4: Simplify right side
    30,347,084.66x = 777,685,868,756,435.50
  5. Step 5: Solve for x
    x = 777,685,868,756,435.50/30,347,084.66
  6. Step 6: Final answer
    x = 25,626,378.20

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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.