Home / 30,885,381.06-42,604,117.84-19,262,766.30

Finding the Fourth Proportional to 30,885,381.06, 42,604,117.84 and 19,262,766.30

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Solution

The fourth proportional to 30,885,381.06, 42,604,117.84 and 19,262,766.30 is: 26,571,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,381.06 : 42,604,117.84 = 19,262,766.30 : x
  2. Step 2: Convert to fraction form
    30,885,381.06/42,604,117.84 = 19,262,766.30/x
  3. Step 3: Cross multiply
    30,885,381.06x = 42,604,117.84 × 19,262,766.30
  4. Step 4: Simplify right side
    30,885,381.06x = 820,673,165,369,580.88
  5. Step 5: Solve for x
    x = 820,673,165,369,580.88/30,885,381.06
  6. Step 6: Final answer
    x = 26,571,573.26

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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.