Home / 30,640,594.12-42,285,911.70-16,889,527.24

Finding the Fourth Proportional to 30,640,594.12, 42,285,911.70 and 16,889,527.24

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Solution

The fourth proportional to 30,640,594.12, 42,285,911.70 and 16,889,527.24 is: 23,308,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,594.12 : 42,285,911.70 = 16,889,527.24 : x
  2. Step 2: Convert to fraction form
    30,640,594.12/42,285,911.70 = 16,889,527.24/x
  3. Step 3: Cross multiply
    30,640,594.12x = 42,285,911.70 × 16,889,527.24
  4. Step 4: Simplify right side
    30,640,594.12x = 714,189,057,525,384.75
  5. Step 5: Solve for x
    x = 714,189,057,525,384.75/30,640,594.12
  6. Step 6: Final answer
    x = 23,308,590.39

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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.