Home / 30,151,580.76-41,616,572.55-17,106,475.68

Finding the Fourth Proportional to 30,151,580.76, 41,616,572.55 and 17,106,475.68

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Solution

The fourth proportional to 30,151,580.76, 41,616,572.55 and 17,106,475.68 is: 23,611,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151,580.76 : 41,616,572.55 = 17,106,475.68 : x
  2. Step 2: Convert to fraction form
    30,151,580.76/41,616,572.55 = 17,106,475.68/x
  3. Step 3: Cross multiply
    30,151,580.76x = 41,616,572.55 × 17,106,475.68
  4. Step 4: Simplify right side
    30,151,580.76x = 711,912,886,211,530.50
  5. Step 5: Solve for x
    x = 711,912,886,211,530.50/30,151,580.76
  6. Step 6: Final answer
    x = 23,611,129.77

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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.