Home / 28,106,027.84-38,786,099.19-15,716,145.22

Finding the Fourth Proportional to 28,106,027.84, 38,786,099.19 and 15,716,145.22

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Solution

The fourth proportional to 28,106,027.84, 38,786,099.19 and 15,716,145.22 is: 21,688,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106,027.84 : 38,786,099.19 = 15,716,145.22 : x
  2. Step 2: Convert to fraction form
    28,106,027.84/38,786,099.19 = 15,716,145.22/x
  3. Step 3: Cross multiply
    28,106,027.84x = 38,786,099.19 × 15,716,145.22
  4. Step 4: Simplify right side
    28,106,027.84x = 609,567,967,387,364.38
  5. Step 5: Solve for x
    x = 609,567,967,387,364.38/28,106,027.84
  6. Step 6: Final answer
    x = 21,688,157.82

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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.