Home / 9,778,971.29-13,495,834.37-5,705,902.49

Finding the Fourth Proportional to 9,778,971.29, 13,495,834.37 and 5,705,902.49

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Solution

The fourth proportional to 9,778,971.29, 13,495,834.37 and 5,705,902.49 is: 7,874,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,971.29 : 13,495,834.37 = 5,705,902.49 : x
  2. Step 2: Convert to fraction form
    9,778,971.29/13,495,834.37 = 5,705,902.49/x
  3. Step 3: Cross multiply
    9,778,971.29x = 13,495,834.37 × 5,705,902.49
  4. Step 4: Simplify right side
    9,778,971.29x = 77,005,914,907,881.08
  5. Step 5: Solve for x
    x = 77,005,914,907,881.08/9,778,971.29
  6. Step 6: Final answer
    x = 7,874,643.73

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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.