Home / 13,869,063.42-19,140,924.15-8,068,089.66

Finding the Fourth Proportional to 13,869,063.42, 19,140,924.15 and 8,068,089.66

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Solution

The fourth proportional to 13,869,063.42, 19,140,924.15 and 8,068,089.66 is: 11,134,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,063.42 : 19,140,924.15 = 8,068,089.66 : x
  2. Step 2: Convert to fraction form
    13,869,063.42/19,140,924.15 = 8,068,089.66/x
  3. Step 3: Cross multiply
    13,869,063.42x = 19,140,924.15 × 8,068,089.66
  4. Step 4: Simplify right side
    13,869,063.42x = 154,430,692,217,459.28
  5. Step 5: Solve for x
    x = 154,430,692,217,459.28/13,869,063.42
  6. Step 6: Final answer
    x = 11,134,904.18

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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.