Home / 17,371,021.80-26,056,532.70-7,776,215.40

Finding the Fourth Proportional to 17,371,021.80, 26,056,532.70 and 7,776,215.40

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Solution

The fourth proportional to 17,371,021.80, 26,056,532.70 and 7,776,215.40 is: 11,664,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371,021.80 : 26,056,532.70 = 7,776,215.40 : x
  2. Step 2: Convert to fraction form
    17,371,021.80/26,056,532.70 = 7,776,215.40/x
  3. Step 3: Cross multiply
    17,371,021.80x = 26,056,532.70 × 7,776,215.40
  4. Step 4: Simplify right side
    17,371,021.80x = 202,621,210,852,343.59
  5. Step 5: Solve for x
    x = 202,621,210,852,343.59/17,371,021.80
  6. Step 6: Final answer
    x = 11,664,323.10

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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.