Home / 30,885,333.30-42,604,051.82-19,262,718.63

Finding the Fourth Proportional to 30,885,333.30, 42,604,051.82 and 19,262,718.63

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Solution

The fourth proportional to 30,885,333.30, 42,604,051.82 and 19,262,718.63 is: 26,571,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,333.30 : 42,604,051.82 = 19,262,718.63 : x
  2. Step 2: Convert to fraction form
    30,885,333.30/42,604,051.82 = 19,262,718.63/x
  3. Step 3: Cross multiply
    30,885,333.30x = 42,604,051.82 × 19,262,718.63
  4. Step 4: Simplify right side
    30,885,333.30x = 820,669,862,610,285.75
  5. Step 5: Solve for x
    x = 820,669,862,610,285.75/30,885,333.30
  6. Step 6: Final answer
    x = 26,571,507.41

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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.