Home / 51,461,754.49-71,017,221.57-28,256,881.45

Finding the Fourth Proportional to 51,461,754.49, 71,017,221.57 and 28,256,881.45

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Solution

The fourth proportional to 51,461,754.49, 71,017,221.57 and 28,256,881.45 is: 38,994,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,461,754.49 : 71,017,221.57 = 28,256,881.45 : x
  2. Step 2: Convert to fraction form
    51,461,754.49/71,017,221.57 = 28,256,881.45/x
  3. Step 3: Cross multiply
    51,461,754.49x = 71,017,221.57 × 28,256,881.45
  4. Step 4: Simplify right side
    51,461,754.49x = 2,006,725,210,811,872.50
  5. Step 5: Solve for x
    x = 2,006,725,210,811,872.50/51,461,754.49
  6. Step 6: Final answer
    x = 38,994,496.61

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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.