Home / 12,899,039.47-19,349,237.17-3,314,482.81

Finding the Fourth Proportional to 12,899,039.47, 19,349,237.17 and 3,314,482.81

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Solution

The fourth proportional to 12,899,039.47, 19,349,237.17 and 3,314,482.81 is: 4,971,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,039.47 : 19,349,237.17 = 3,314,482.81 : x
  2. Step 2: Convert to fraction form
    12,899,039.47/19,349,237.17 = 3,314,482.81/x
  3. Step 3: Cross multiply
    12,899,039.47x = 19,349,237.17 × 3,314,482.81
  4. Step 4: Simplify right side
    12,899,039.47x = 64,132,713,942,348.06
  5. Step 5: Solve for x
    x = 64,132,713,942,348.06/12,899,039.47
  6. Step 6: Final answer
    x = 4,971,898.42

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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.