Home / 13,823,967.68-19,077,087.36-7,712,397.44

Finding the Fourth Proportional to 13,823,967.68, 19,077,087.36 and 7,712,397.44

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Solution

The fourth proportional to 13,823,967.68, 19,077,087.36 and 7,712,397.44 is: 10,643,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,967.68 : 19,077,087.36 = 7,712,397.44 : x
  2. Step 2: Convert to fraction form
    13,823,967.68/19,077,087.36 = 7,712,397.44/x
  3. Step 3: Cross multiply
    13,823,967.68x = 19,077,087.36 × 7,712,397.44
  4. Step 4: Simplify right side
    13,823,967.68x = 147,130,079,717,920.38
  5. Step 5: Solve for x
    x = 147,130,079,717,920.38/13,823,967.68
  6. Step 6: Final answer
    x = 10,643,115.14

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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.