Home / 19,479,382.12-26,875,019.40-11,219,278.96

Finding the Fourth Proportional to 19,479,382.12, 26,875,019.40 and 11,219,278.96

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Solution

The fourth proportional to 19,479,382.12, 26,875,019.40 and 11,219,278.96 is: 15,478,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,382.12 : 26,875,019.40 = 11,219,278.96 : x
  2. Step 2: Convert to fraction form
    19,479,382.12/26,875,019.40 = 11,219,278.96/x
  3. Step 3: Cross multiply
    19,479,382.12x = 26,875,019.40 × 11,219,278.96
  4. Step 4: Simplify right side
    19,479,382.12x = 301,518,339,704,011.81
  5. Step 5: Solve for x
    x = 301,518,339,704,011.81/19,479,382.12
  6. Step 6: Final answer
    x = 15,478,845.16

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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.