Home / 30,385,638.54-45,578,260.98-7,666,557.66

Finding the Fourth Proportional to 30,385,638.54, 45,578,260.98 and 7,666,557.66

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Solution

The fourth proportional to 30,385,638.54, 45,578,260.98 and 7,666,557.66 is: 11,499,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385,638.54 : 45,578,260.98 = 7,666,557.66 : x
  2. Step 2: Convert to fraction form
    30,385,638.54/45,578,260.98 = 7,666,557.66/x
  3. Step 3: Cross multiply
    30,385,638.54x = 45,578,260.98 × 7,666,557.66
  4. Step 4: Simplify right side
    30,385,638.54x = 349,428,365,845,698.06
  5. Step 5: Solve for x
    x = 349,428,365,845,698.06/30,385,638.54
  6. Step 6: Final answer
    x = 11,499,786.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.