Home / 30,885,380.55-42,604,117.16-19,262,765.79

Finding the Fourth Proportional to 30,885,380.55, 42,604,117.16 and 19,262,765.79

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Solution

The fourth proportional to 30,885,380.55, 42,604,117.16 and 19,262,765.79 is: 26,571,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,380.55 : 42,604,117.16 = 19,262,765.79 : x
  2. Step 2: Convert to fraction form
    30,885,380.55/42,604,117.16 = 19,262,765.79/x
  3. Step 3: Cross multiply
    30,885,380.55x = 42,604,117.16 × 19,262,765.79
  4. Step 4: Simplify right side
    30,885,380.55x = 820,673,130,446,486.12
  5. Step 5: Solve for x
    x = 820,673,130,446,486.12/30,885,380.55
  6. Step 6: Final answer
    x = 26,571,572.56

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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.