Home / 11,513,106.81-15,888,111.03-6,356,478.33

Finding the Fourth Proportional to 11,513,106.81, 15,888,111.03 and 6,356,478.33

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Solution

The fourth proportional to 11,513,106.81, 15,888,111.03 and 6,356,478.33 is: 8,771,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513,106.81 : 15,888,111.03 = 6,356,478.33 : x
  2. Step 2: Convert to fraction form
    11,513,106.81/15,888,111.03 = 6,356,478.33/x
  3. Step 3: Cross multiply
    11,513,106.81x = 15,888,111.03 × 6,356,478.33
  4. Step 4: Simplify right side
    11,513,106.81x = 100,992,433,466,828.98
  5. Step 5: Solve for x
    x = 100,992,433,466,828.98/11,513,106.81
  6. Step 6: Final answer
    x = 8,771,953.14

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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.