Home / 14,579,284.49-20,119,362.78-8,384,038.71

Finding the Fourth Proportional to 14,579,284.49, 20,119,362.78 and 8,384,038.71

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Solution

The fourth proportional to 14,579,284.49, 20,119,362.78 and 8,384,038.71 is: 11,569,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579,284.49 : 20,119,362.78 = 8,384,038.71 : x
  2. Step 2: Convert to fraction form
    14,579,284.49/20,119,362.78 = 8,384,038.71/x
  3. Step 3: Cross multiply
    14,579,284.49x = 20,119,362.78 × 8,384,038.71
  4. Step 4: Simplify right side
    14,579,284.49x = 168,681,516,368,053.22
  5. Step 5: Solve for x
    x = 168,681,516,368,053.22/14,579,284.49
  6. Step 6: Final answer
    x = 11,569,944.77

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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.