Home / 14,607,578.40-21,882,499.20-12,812,488.80

Finding the Fourth Proportional to 14,607,578.40, 21,882,499.20 and 12,812,488.80

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Solution

The fourth proportional to 14,607,578.40, 21,882,499.20 and 12,812,488.80 is: 19,193,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607,578.40 : 21,882,499.20 = 12,812,488.80 : x
  2. Step 2: Convert to fraction form
    14,607,578.40/21,882,499.20 = 12,812,488.80/x
  3. Step 3: Cross multiply
    14,607,578.40x = 21,882,499.20 × 12,812,488.80
  4. Step 4: Simplify right side
    14,607,578.40x = 280,369,275,916,008.97
  5. Step 5: Solve for x
    x = 280,369,275,916,008.97/14,607,578.40
  6. Step 6: Final answer
    x = 19,193,412.37

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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.