Home / 19,178,868.56-26,473,145.96-15,265,802.50

Finding the Fourth Proportional to 19,178,868.56, 26,473,145.96 and 15,265,802.50

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Solution

The fourth proportional to 19,178,868.56, 26,473,145.96 and 15,265,802.50 is: 21,071,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,868.56 : 26,473,145.96 = 15,265,802.50 : x
  2. Step 2: Convert to fraction form
    19,178,868.56/26,473,145.96 = 15,265,802.50/x
  3. Step 3: Cross multiply
    19,178,868.56x = 26,473,145.96 × 15,265,802.50
  4. Step 4: Simplify right side
    19,178,868.56x = 404,133,817,751,014.56
  5. Step 5: Solve for x
    x = 404,133,817,751,014.56/19,178,868.56
  6. Step 6: Final answer
    x = 21,071,827.91

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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.