Home / 30,347,141.60-41,869,494.34-18,574,136.64

Finding the Fourth Proportional to 30,347,141.60, 41,869,494.34 and 18,574,136.64

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Solution

The fourth proportional to 30,347,141.60, 41,869,494.34 and 18,574,136.64 is: 25,626,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,141.60 : 41,869,494.34 = 18,574,136.64 : x
  2. Step 2: Convert to fraction form
    30,347,141.60/41,869,494.34 = 18,574,136.64/x
  3. Step 3: Cross multiply
    30,347,141.60x = 41,869,494.34 × 18,574,136.64
  4. Step 4: Simplify right side
    30,347,141.60x = 777,689,708,918,866.75
  5. Step 5: Solve for x
    x = 777,689,708,918,866.75/30,347,141.60
  6. Step 6: Final answer
    x = 25,626,456.66

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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.