Home / 30,345,798.50-41,880,447.27-18,592,866.66

Finding the Fourth Proportional to 30,345,798.50, 41,880,447.27 and 18,592,866.66

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Solution

The fourth proportional to 30,345,798.50, 41,880,447.27 and 18,592,866.66 is: 25,660,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345,798.50 : 41,880,447.27 = 18,592,866.66 : x
  2. Step 2: Convert to fraction form
    30,345,798.50/41,880,447.27 = 18,592,866.66/x
  3. Step 3: Cross multiply
    30,345,798.50x = 41,880,447.27 × 18,592,866.66
  4. Step 4: Simplify right side
    30,345,798.50x = 778,677,571,752,271.12
  5. Step 5: Solve for x
    x = 778,677,571,752,271.12/30,345,798.50
  6. Step 6: Final answer
    x = 25,660,144.41

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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.