Home / 19,517,103.65-26,933,762.45-10,815,421.55

Finding the Fourth Proportional to 19,517,103.65, 26,933,762.45 and 10,815,421.55

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Solution

The fourth proportional to 19,517,103.65, 26,933,762.45 and 10,815,421.55 is: 14,925,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517,103.65 : 26,933,762.45 = 10,815,421.55 : x
  2. Step 2: Convert to fraction form
    19,517,103.65/26,933,762.45 = 10,815,421.55/x
  3. Step 3: Cross multiply
    19,517,103.65x = 26,933,762.45 × 10,815,421.55
  4. Step 4: Simplify right side
    19,517,103.65x = 291,299,994,716,680.56
  5. Step 5: Solve for x
    x = 291,299,994,716,680.56/19,517,103.65
  6. Step 6: Final answer
    x = 14,925,370.07

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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.