Home / 18,401,251.53-25,398,054.36-11,437,188.51

Finding the Fourth Proportional to 18,401,251.53, 25,398,054.36 and 11,437,188.51

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Solution

The fourth proportional to 18,401,251.53, 25,398,054.36 and 11,437,188.51 is: 15,786,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,251.53 : 25,398,054.36 = 11,437,188.51 : x
  2. Step 2: Convert to fraction form
    18,401,251.53/25,398,054.36 = 11,437,188.51/x
  3. Step 3: Cross multiply
    18,401,251.53x = 25,398,054.36 × 11,437,188.51
  4. Step 4: Simplify right side
    18,401,251.53x = 290,482,335,502,547.38
  5. Step 5: Solve for x
    x = 290,482,335,502,547.38/18,401,251.53
  6. Step 6: Final answer
    x = 15,786,009.72

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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.