Home / 9,640,605.64-13,291,930.84-7,057,802.40

Finding the Fourth Proportional to 9,640,605.64, 13,291,930.84 and 7,057,802.40

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Solution

The fourth proportional to 9,640,605.64, 13,291,930.84 and 7,057,802.40 is: 9,730,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640,605.64 : 13,291,930.84 = 7,057,802.40 : x
  2. Step 2: Convert to fraction form
    9,640,605.64/13,291,930.84 = 7,057,802.40/x
  3. Step 3: Cross multiply
    9,640,605.64x = 13,291,930.84 × 7,057,802.40
  4. Step 4: Simplify right side
    9,640,605.64x = 93,811,821,383,186.02
  5. Step 5: Solve for x
    x = 93,811,821,383,186.02/9,640,605.64
  6. Step 6: Final answer
    x = 9,730,905.39

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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.