Home / 30,807,341.43-42,515,698.82-17,057,818.23

Finding the Fourth Proportional to 30,807,341.43, 42,515,698.82 and 17,057,818.23

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Solution

The fourth proportional to 30,807,341.43, 42,515,698.82 and 17,057,818.23 is: 23,540,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,341.43 : 42,515,698.82 = 17,057,818.23 : x
  2. Step 2: Convert to fraction form
    30,807,341.43/42,515,698.82 = 17,057,818.23/x
  3. Step 3: Cross multiply
    30,807,341.43x = 42,515,698.82 × 17,057,818.23
  4. Step 4: Simplify right side
    30,807,341.43x = 725,225,062,307,696.38
  5. Step 5: Solve for x
    x = 725,225,062,307,696.38/30,807,341.43
  6. Step 6: Final answer
    x = 23,540,657.15

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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.