Home / 27,993,612.16-38,605,563.12-19,185,863.32

Finding the Fourth Proportional to 27,993,612.16, 38,605,563.12 and 19,185,863.32

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Solution

The fourth proportional to 27,993,612.16, 38,605,563.12 and 19,185,863.32 is: 26,458,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993,612.16 : 38,605,563.12 = 19,185,863.32 : x
  2. Step 2: Convert to fraction form
    27,993,612.16/38,605,563.12 = 19,185,863.32/x
  3. Step 3: Cross multiply
    27,993,612.16x = 38,605,563.12 × 19,185,863.32
  4. Step 4: Simplify right side
    27,993,612.16x = 740,681,057,411,952.75
  5. Step 5: Solve for x
    x = 740,681,057,411,952.75/27,993,612.16
  6. Step 6: Final answer
    x = 26,458,931.17

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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.