Home / 27,578,678.49-38,057,348.14-15,809,509.58

Finding the Fourth Proportional to 27,578,678.49, 38,057,348.14 and 15,809,509.58

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Solution

The fourth proportional to 27,578,678.49, 38,057,348.14 and 15,809,509.58 is: 21,816,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,678.49 : 38,057,348.14 = 15,809,509.58 : x
  2. Step 2: Convert to fraction form
    27,578,678.49/38,057,348.14 = 15,809,509.58/x
  3. Step 3: Cross multiply
    27,578,678.49x = 38,057,348.14 × 15,809,509.58
  4. Step 4: Simplify right side
    27,578,678.49x = 601,668,009,778,914.62
  5. Step 5: Solve for x
    x = 601,668,009,778,914.62/27,578,678.49
  6. Step 6: Final answer
    x = 21,816,419.16

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1.5x scale

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.