Home / 13,465,691.63-18,583,113.01-7,963,782.83

Finding the Fourth Proportional to 13,465,691.63, 18,583,113.01 and 7,963,782.83

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Solution

The fourth proportional to 13,465,691.63, 18,583,113.01 and 7,963,782.83 is: 10,990,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,691.63 : 18,583,113.01 = 7,963,782.83 : x
  2. Step 2: Convert to fraction form
    13,465,691.63/18,583,113.01 = 7,963,782.83/x
  3. Step 3: Cross multiply
    13,465,691.63x = 18,583,113.01 × 7,963,782.83
  4. Step 4: Simplify right side
    13,465,691.63x = 147,991,876,316,987.62
  5. Step 5: Solve for x
    x = 147,991,876,316,987.62/13,465,691.63
  6. Step 6: Final answer
    x = 10,990,291.50

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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.