Home / 19,331,492.57-26,678,417.41-11,991,690.57

Finding the Fourth Proportional to 19,331,492.57, 26,678,417.41 and 11,991,690.57

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Solution

The fourth proportional to 19,331,492.57, 26,678,417.41 and 11,991,690.57 is: 16,549,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,492.57 : 26,678,417.41 = 11,991,690.57 : x
  2. Step 2: Convert to fraction form
    19,331,492.57/26,678,417.41 = 11,991,690.57/x
  3. Step 3: Cross multiply
    19,331,492.57x = 26,678,417.41 × 11,991,690.57
  4. Step 4: Simplify right side
    19,331,492.57x = 319,919,326,593,054.50
  5. Step 5: Solve for x
    x = 319,919,326,593,054.50/19,331,492.57
  6. Step 6: Final answer
    x = 16,549,127.05

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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.