Home / 28,005,364.89-42,015,136.44-7,810,606.89

Finding the Fourth Proportional to 28,005,364.89, 42,015,136.44 and 7,810,606.89

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Solution

The fourth proportional to 28,005,364.89, 42,015,136.44 and 7,810,606.89 is: 11,717,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,364.89 : 42,015,136.44 = 7,810,606.89 : x
  2. Step 2: Convert to fraction form
    28,005,364.89/42,015,136.44 = 7,810,606.89/x
  3. Step 3: Cross multiply
    28,005,364.89x = 42,015,136.44 × 7,810,606.89
  4. Step 4: Simplify right side
    28,005,364.89x = 328,163,714,162,554.06
  5. Step 5: Solve for x
    x = 328,163,714,162,554.06/28,005,364.89
  6. Step 6: Final answer
    x = 11,717,887.46

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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.