Home / 30,885,363.80-42,604,093.92-19,262,749.16

Finding the Fourth Proportional to 30,885,363.80, 42,604,093.92 and 19,262,749.16

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Solution

The fourth proportional to 30,885,363.80, 42,604,093.92 and 19,262,749.16 is: 26,571,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,363.80 : 42,604,093.92 = 19,262,749.16 : x
  2. Step 2: Convert to fraction form
    30,885,363.80/42,604,093.92 = 19,262,749.16/x
  3. Step 3: Cross multiply
    30,885,363.80x = 42,604,093.92 × 19,262,749.16
  4. Step 4: Simplify right side
    30,885,363.80x = 820,671,974,370,041.12
  5. Step 5: Solve for x
    x = 820,671,974,370,041.12/30,885,363.80
  6. Step 6: Final answer
    x = 26,571,549.54

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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.