Home / 21,532,572.51-32,285,849.36-8,580,715.71

Finding the Fourth Proportional to 21,532,572.51, 32,285,849.36 and 8,580,715.71

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Solution

The fourth proportional to 21,532,572.51, 32,285,849.36 and 8,580,715.71 is: 12,865,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532,572.51 : 32,285,849.36 = 8,580,715.71 : x
  2. Step 2: Convert to fraction form
    21,532,572.51/32,285,849.36 = 8,580,715.71/x
  3. Step 3: Cross multiply
    21,532,572.51x = 32,285,849.36 × 8,580,715.71
  4. Step 4: Simplify right side
    21,532,572.51x = 277,035,694,771,141.91
  5. Step 5: Solve for x
    x = 277,035,694,771,141.91/21,532,572.51
  6. Step 6: Final answer
    x = 12,865,889.32

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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.