Home / 19,199,865.51-28,799,033.63-10,581,053.09

Finding the Fourth Proportional to 19,199,865.51, 28,799,033.63 and 10,581,053.09

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Solution

The fourth proportional to 19,199,865.51, 28,799,033.63 and 10,581,053.09 is: 15,871,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199,865.51 : 28,799,033.63 = 10,581,053.09 : x
  2. Step 2: Convert to fraction form
    19,199,865.51/28,799,033.63 = 10,581,053.09/x
  3. Step 3: Cross multiply
    19,199,865.51x = 28,799,033.63 × 10,581,053.09
  4. Step 4: Simplify right side
    19,199,865.51x = 304,724,103,582,825
  5. Step 5: Solve for x
    x = 304,724,103,582,825/19,199,865.51
  6. Step 6: Final answer
    x = 15,871,158.23

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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.