Home / 28,993,685.40-40,008,904.56-17,070,603.12

Finding the Fourth Proportional to 28,993,685.40, 40,008,904.56 and 17,070,603.12

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Solution

The fourth proportional to 28,993,685.40, 40,008,904.56 and 17,070,603.12 is: 23,556,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993,685.40 : 40,008,904.56 = 17,070,603.12 : x
  2. Step 2: Convert to fraction form
    28,993,685.40/40,008,904.56 = 17,070,603.12/x
  3. Step 3: Cross multiply
    28,993,685.40x = 40,008,904.56 × 17,070,603.12
  4. Step 4: Simplify right side
    28,993,685.40x = 682,976,131,009,718.25
  5. Step 5: Solve for x
    x = 682,976,131,009,718.25/28,993,685.40
  6. Step 6: Final answer
    x = 23,556,030.27

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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.