Home / 25,429,584.05-38,144,376.07-7,478,688.05

Finding the Fourth Proportional to 25,429,584.05, 38,144,376.07 and 7,478,688.05

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Solution

The fourth proportional to 25,429,584.05, 38,144,376.07 and 7,478,688.05 is: 11,218,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429,584.05 : 38,144,376.07 = 7,478,688.05 : x
  2. Step 2: Convert to fraction form
    25,429,584.05/38,144,376.07 = 7,478,688.05/x
  3. Step 3: Cross multiply
    25,429,584.05x = 38,144,376.07 × 7,478,688.05
  4. Step 4: Simplify right side
    25,429,584.05x = 285,269,889,279,996.38
  5. Step 5: Solve for x
    x = 285,269,889,279,996.38/25,429,584.05
  6. Step 6: Final answer
    x = 11,218,032.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.