Home / 14,292,686.46-19,724,031.90-7,766,315.88

Finding the Fourth Proportional to 14,292,686.46, 19,724,031.90 and 7,766,315.88

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Solution

The fourth proportional to 14,292,686.46, 19,724,031.90 and 7,766,315.88 is: 10,717,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292,686.46 : 19,724,031.90 = 7,766,315.88 : x
  2. Step 2: Convert to fraction form
    14,292,686.46/19,724,031.90 = 7,766,315.88/x
  3. Step 3: Cross multiply
    14,292,686.46x = 19,724,031.90 × 7,766,315.88
  4. Step 4: Simplify right side
    14,292,686.46x = 153,183,062,162,596.56
  5. Step 5: Solve for x
    x = 153,183,062,162,596.56/14,292,686.46
  6. Step 6: Final answer
    x = 10,717,583.61

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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.