Home / 27,878,850.10-38,465,855.26-16,717,095.15

Finding the Fourth Proportional to 27,878,850.10, 38,465,855.26 and 16,717,095.15

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Solution

The fourth proportional to 27,878,850.10, 38,465,855.26 and 16,717,095.15 is: 23,065,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878,850.10 : 38,465,855.26 = 16,717,095.15 : x
  2. Step 2: Convert to fraction form
    27,878,850.10/38,465,855.26 = 16,717,095.15/x
  3. Step 3: Cross multiply
    27,878,850.10x = 38,465,855.26 × 16,717,095.15
  4. Step 4: Simplify right side
    27,878,850.10x = 643,037,362,407,548
  5. Step 5: Solve for x
    x = 643,037,362,407,548/27,878,850.10
  6. Step 6: Final answer
    x = 23,065,419.13

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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.