Home / 12,425,018.84-18,631,291.56-7,239,306.91

Finding the Fourth Proportional to 12,425,018.84, 18,631,291.56 and 7,239,306.91

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Solution

The fourth proportional to 12,425,018.84, 18,631,291.56 and 7,239,306.91 is: 10,855,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,018.84 : 18,631,291.56 = 7,239,306.91 : x
  2. Step 2: Convert to fraction form
    12,425,018.84/18,631,291.56 = 7,239,306.91/x
  3. Step 3: Cross multiply
    12,425,018.84x = 18,631,291.56 × 7,239,306.91
  4. Step 4: Simplify right side
    12,425,018.84x = 134,877,637,732,532.67
  5. Step 5: Solve for x
    x = 134,877,637,732,532.67/12,425,018.84
  6. Step 6: Final answer
    x = 10,855,326.62

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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.