Home / 27,590,076.60-38,077,275.56-15,201,415.48

Finding the Fourth Proportional to 27,590,076.60, 38,077,275.56 and 15,201,415.48

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Solution

The fourth proportional to 27,590,076.60, 38,077,275.56 and 15,201,415.48 is: 20,979,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590,076.60 : 38,077,275.56 = 15,201,415.48 : x
  2. Step 2: Convert to fraction form
    27,590,076.60/38,077,275.56 = 15,201,415.48/x
  3. Step 3: Cross multiply
    27,590,076.60x = 38,077,275.56 × 15,201,415.48
  4. Step 4: Simplify right side
    27,590,076.60x = 578,828,486,134,009.75
  5. Step 5: Solve for x
    x = 578,828,486,134,009.75/27,590,076.60
  6. Step 6: Final answer
    x = 20,979,589.67

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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.