Home / 51,461,751.99-71,017,218.12-28,256,878.95

Finding the Fourth Proportional to 51,461,751.99, 71,017,218.12 and 28,256,878.95

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Solution

The fourth proportional to 51,461,751.99, 71,017,218.12 and 28,256,878.95 is: 38,994,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,461,751.99 : 71,017,218.12 = 28,256,878.95 : x
  2. Step 2: Convert to fraction form
    51,461,751.99/71,017,218.12 = 28,256,878.95/x
  3. Step 3: Cross multiply
    51,461,751.99x = 71,017,218.12 × 28,256,878.95
  4. Step 4: Simplify right side
    51,461,751.99x = 2,006,724,935,782,586.75
  5. Step 5: Solve for x
    x = 2,006,724,935,782,586.75/51,461,751.99
  6. Step 6: Final answer
    x = 38,994,493.16

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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.