Home / 19,280,318.40-26,606,837.16-11,020,557.24

Finding the Fourth Proportional to 19,280,318.40, 26,606,837.16 and 11,020,557.24

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Solution

The fourth proportional to 19,280,318.40, 26,606,837.16 and 11,020,557.24 is: 15,208,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,318.40 : 26,606,837.16 = 11,020,557.24 : x
  2. Step 2: Convert to fraction form
    19,280,318.40/26,606,837.16 = 11,020,557.24/x
  3. Step 3: Cross multiply
    19,280,318.40x = 26,606,837.16 × 11,020,557.24
  4. Step 4: Simplify right side
    19,280,318.40x = 293,222,171,897,139.06
  5. Step 5: Solve for x
    x = 293,222,171,897,139.06/19,280,318.40
  6. Step 6: Final answer
    x = 15,208,367.72

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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.