Home / 27,736,178.52-38,275,717.50-15,513,036.12

Finding the Fourth Proportional to 27,736,178.52, 38,275,717.50 and 15,513,036.12

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Solution

The fourth proportional to 27,736,178.52, 38,275,717.50 and 15,513,036.12 is: 21,407,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736,178.52 : 38,275,717.50 = 15,513,036.12 : x
  2. Step 2: Convert to fraction form
    27,736,178.52/38,275,717.50 = 15,513,036.12/x
  3. Step 3: Cross multiply
    27,736,178.52x = 38,275,717.50 × 15,513,036.12
  4. Step 4: Simplify right side
    27,736,178.52x = 593,772,588,096,416.12
  5. Step 5: Solve for x
    x = 593,772,588,096,416.12/27,736,178.52
  6. Step 6: Final answer
    x = 21,407,873.03

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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.