Home / 19,079,019.77-26,326,657.55-12,897,516.20

Finding the Fourth Proportional to 19,079,019.77, 26,326,657.55 and 12,897,516.20

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Solution

The fourth proportional to 19,079,019.77, 26,326,657.55 and 12,897,516.20 is: 17,796,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,019.77 : 26,326,657.55 = 12,897,516.20 : x
  2. Step 2: Convert to fraction form
    19,079,019.77/26,326,657.55 = 12,897,516.20/x
  3. Step 3: Cross multiply
    19,079,019.77x = 26,326,657.55 × 12,897,516.20
  4. Step 4: Simplify right side
    19,079,019.77x = 339,548,492,143,587.81
  5. Step 5: Solve for x
    x = 339,548,492,143,587.81/19,079,019.77
  6. Step 6: Final answer
    x = 17,796,956.88

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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.