Home / 30,698,039.60-42,362,184.08-16,946,708.48

Finding the Fourth Proportional to 30,698,039.60, 42,362,184.08 and 16,946,708.48

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Solution

The fourth proportional to 30,698,039.60, 42,362,184.08 and 16,946,708.48 is: 23,385,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698,039.60 : 42,362,184.08 = 16,946,708.48 : x
  2. Step 2: Convert to fraction form
    30,698,039.60/42,362,184.08 = 16,946,708.48/x
  3. Step 3: Cross multiply
    30,698,039.60x = 42,362,184.08 × 16,946,708.48
  4. Step 4: Simplify right side
    30,698,039.60x = 717,899,584,179,857
  5. Step 5: Solve for x
    x = 717,899,584,179,857/30,698,039.60
  6. Step 6: Final answer
    x = 23,385,844.62

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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.