Home / 13,889,558.40-19,168,767.66-7,696,547.73

Finding the Fourth Proportional to 13,889,558.40, 19,168,767.66 and 7,696,547.73

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Solution

The fourth proportional to 13,889,558.40, 19,168,767.66 and 7,696,547.73 is: 10,621,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,558.40 : 19,168,767.66 = 7,696,547.73 : x
  2. Step 2: Convert to fraction form
    13,889,558.40/19,168,767.66 = 7,696,547.73/x
  3. Step 3: Cross multiply
    13,889,558.40x = 19,168,767.66 × 7,696,547.73
  4. Step 4: Simplify right side
    13,889,558.40x = 147,533,335,220,470.41
  5. Step 5: Solve for x
    x = 147,533,335,220,470.41/13,889,558.40
  6. Step 6: Final answer
    x = 10,621,888.11

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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.