Home / 27,170,431-37,496,173.76-15,570,236.32

Finding the Fourth Proportional to 27,170,431, 37,496,173.76 and 15,570,236.32

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Solution

The fourth proportional to 27,170,431, 37,496,173.76 and 15,570,236.32 is: 21,487,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170,431 : 37,496,173.76 = 15,570,236.32 : x
  2. Step 2: Convert to fraction form
    27,170,431/37,496,173.76 = 15,570,236.32/x
  3. Step 3: Cross multiply
    27,170,431x = 37,496,173.76 × 15,570,236.32
  4. Step 4: Simplify right side
    27,170,431x = 583,824,286,538,983
  5. Step 5: Solve for x
    x = 583,824,286,538,983/27,170,431
  6. Step 6: Final answer
    x = 21,487,487.13

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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.