Home / 19,178,424.96-28,757,703.60-7,044,754.56

Finding the Fourth Proportional to 19,178,424.96, 28,757,703.60 and 7,044,754.56

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Solution

The fourth proportional to 19,178,424.96, 28,757,703.60 and 7,044,754.56 is: 10,563,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,424.96 : 28,757,703.60 = 7,044,754.56 : x
  2. Step 2: Convert to fraction form
    19,178,424.96/28,757,703.60 = 7,044,754.56/x
  3. Step 3: Cross multiply
    19,178,424.96x = 28,757,703.60 × 7,044,754.56
  4. Step 4: Simplify right side
    19,178,424.96x = 202,590,963,571,228.41
  5. Step 5: Solve for x
    x = 202,590,963,571,228.41/19,178,424.96
  6. Step 6: Final answer
    x = 10,563,482.87

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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.