Home / 30,698,166.24-42,362,359.29-16,946,835.12

Finding the Fourth Proportional to 30,698,166.24, 42,362,359.29 and 16,946,835.12

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Solution

The fourth proportional to 30,698,166.24, 42,362,359.29 and 16,946,835.12 is: 23,386,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698,166.24 : 42,362,359.29 = 16,946,835.12 : x
  2. Step 2: Convert to fraction form
    30,698,166.24/42,362,359.29 = 16,946,835.12/x
  3. Step 3: Cross multiply
    30,698,166.24x = 42,362,359.29 × 16,946,835.12
  4. Step 4: Simplify right side
    30,698,166.24x = 717,907,918,181,830.25
  5. Step 5: Solve for x
    x = 717,907,918,181,830.25/30,698,166.24
  6. Step 6: Final answer
    x = 23,386,019.63

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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.