Home / 38,210,143.62-52,716,150.63-21,680,695.38

Finding the Fourth Proportional to 38,210,143.62, 52,716,150.63 and 21,680,695.38

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Solution

The fourth proportional to 38,210,143.62, 52,716,150.63 and 21,680,695.38 is: 29,911,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210,143.62 : 52,716,150.63 = 21,680,695.38 : x
  2. Step 2: Convert to fraction form
    38,210,143.62/52,716,150.63 = 21,680,695.38/x
  3. Step 3: Cross multiply
    38,210,143.62x = 52,716,150.63 × 21,680,695.38
  4. Step 4: Simplify right side
    38,210,143.62x = 1,142,922,803,415,225
  5. Step 5: Solve for x
    x = 1,142,922,803,415,225/38,210,143.62
  6. Step 6: Final answer
    x = 29,911,502.42

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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.