Home / 15,585,512.94-21,508,962.75-8,710,543.98

Finding the Fourth Proportional to 15,585,512.94, 21,508,962.75 and 8,710,543.98

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Solution

The fourth proportional to 15,585,512.94, 21,508,962.75 and 8,710,543.98 is: 12,021,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,512.94 : 21,508,962.75 = 8,710,543.98 : x
  2. Step 2: Convert to fraction form
    15,585,512.94/21,508,962.75 = 8,710,543.98/x
  3. Step 3: Cross multiply
    15,585,512.94x = 21,508,962.75 × 8,710,543.98
  4. Step 4: Simplify right side
    15,585,512.94x = 187,354,765,998,056.75
  5. Step 5: Solve for x
    x = 187,354,765,998,056.75/15,585,512.94
  6. Step 6: Final answer
    x = 12,021,084.37

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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.