Home / 19,539,266.91-26,946,546.80-12,197,776.83

Finding the Fourth Proportional to 19,539,266.91, 26,946,546.80 and 12,197,776.83

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Solution

The fourth proportional to 19,539,266.91, 26,946,546.80 and 12,197,776.83 is: 16,821,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539,266.91 : 26,946,546.80 = 12,197,776.83 : x
  2. Step 2: Convert to fraction form
    19,539,266.91/26,946,546.80 = 12,197,776.83/x
  3. Step 3: Cross multiply
    19,539,266.91x = 26,946,546.80 × 12,197,776.83
  4. Step 4: Simplify right side
    19,539,266.91x = 328,687,964,144,561.81
  5. Step 5: Solve for x
    x = 328,687,964,144,561.81/19,539,266.91
  6. Step 6: Final answer
    x = 16,821,918.94

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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.