Home / 12,872,964.94-19,307,325.19-4,237,177.79

Finding the Fourth Proportional to 12,872,964.94, 19,307,325.19 and 4,237,177.79

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Solution

The fourth proportional to 12,872,964.94, 19,307,325.19 and 4,237,177.79 is: 6,355,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,964.94 : 19,307,325.19 = 4,237,177.79 : x
  2. Step 2: Convert to fraction form
    12,872,964.94/19,307,325.19 = 4,237,177.79/x
  3. Step 3: Cross multiply
    12,872,964.94x = 19,307,325.19 × 4,237,177.79
  4. Step 4: Simplify right side
    12,872,964.94x = 81,808,569,416,391.53
  5. Step 5: Solve for x
    x = 81,808,569,416,391.53/12,872,964.94
  6. Step 6: Final answer
    x = 6,355,068.14

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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.