Home / 19,303,523.51-28,946,445.35-11,525,968.55

Finding the Fourth Proportional to 19,303,523.51, 28,946,445.35 and 11,525,968.55

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Solution

The fourth proportional to 19,303,523.51, 28,946,445.35 and 11,525,968.55 is: 17,283,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,523.51 : 28,946,445.35 = 11,525,968.55 : x
  2. Step 2: Convert to fraction form
    19,303,523.51/28,946,445.35 = 11,525,968.55/x
  3. Step 3: Cross multiply
    19,303,523.51x = 28,946,445.35 × 11,525,968.55
  4. Step 4: Simplify right side
    19,303,523.51x = 333,635,818,536,031.69
  5. Step 5: Solve for x
    x = 333,635,818,536,031.69/19,303,523.51
  6. Step 6: Final answer
    x = 17,283,674.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.