Home / 12,178,288.41-16,806,036.42-7,283,509.71

Finding the Fourth Proportional to 12,178,288.41, 16,806,036.42 and 7,283,509.71

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Solution

The fourth proportional to 12,178,288.41, 16,806,036.42 and 7,283,509.71 is: 10,051,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,288.41 : 16,806,036.42 = 7,283,509.71 : x
  2. Step 2: Convert to fraction form
    12,178,288.41/16,806,036.42 = 7,283,509.71/x
  3. Step 3: Cross multiply
    12,178,288.41x = 16,806,036.42 × 7,283,509.71
  4. Step 4: Simplify right side
    12,178,288.41x = 122,406,929,451,683.66
  5. Step 5: Solve for x
    x = 122,406,929,451,683.66/12,178,288.41
  6. Step 6: Final answer
    x = 10,051,242.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.