Home / 21,784,316.91-32,680,021.86-6,433,159.24

Finding the Fourth Proportional to 21,784,316.91, 32,680,021.86 and 6,433,159.24

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Solution

The fourth proportional to 21,784,316.91, 32,680,021.86 and 6,433,159.24 is: 9,650,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784,316.91 : 32,680,021.86 = 6,433,159.24 : x
  2. Step 2: Convert to fraction form
    21,784,316.91/32,680,021.86 = 6,433,159.24/x
  3. Step 3: Cross multiply
    21,784,316.91x = 32,680,021.86 × 6,433,159.24
  4. Step 4: Simplify right side
    21,784,316.91x = 210,235,784,415,041.25
  5. Step 5: Solve for x
    x = 210,235,784,415,041.25/21,784,316.91
  6. Step 6: Final answer
    x = 9,650,786.17

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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.