Home / 19,055,215.98-28,566,756.81-8,264,389.50

Finding the Fourth Proportional to 19,055,215.98, 28,566,756.81 and 8,264,389.50

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Solution

The fourth proportional to 19,055,215.98, 28,566,756.81 and 8,264,389.50 is: 12,389,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055,215.98 : 28,566,756.81 = 8,264,389.50 : x
  2. Step 2: Convert to fraction form
    19,055,215.98/28,566,756.81 = 8,264,389.50/x
  3. Step 3: Cross multiply
    19,055,215.98x = 28,566,756.81 × 8,264,389.50
  4. Step 4: Simplify right side
    19,055,215.98x = 236,086,805,029,617.47
  5. Step 5: Solve for x
    x = 236,086,805,029,617.47/19,055,215.98
  6. Step 6: Final answer
    x = 12,389,615.80

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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.