Home / 27,878,849.10-38,465,853.89-16,717,094.15

Finding the Fourth Proportional to 27,878,849.10, 38,465,853.89 and 16,717,094.15

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Solution

The fourth proportional to 27,878,849.10, 38,465,853.89 and 16,717,094.15 is: 23,065,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878,849.10 : 38,465,853.89 = 16,717,094.15 : x
  2. Step 2: Convert to fraction form
    27,878,849.10/38,465,853.89 = 16,717,094.15/x
  3. Step 3: Cross multiply
    27,878,849.10x = 38,465,853.89 × 16,717,094.15
  4. Step 4: Simplify right side
    27,878,849.10x = 643,037,300,763,359
  5. Step 5: Solve for x
    x = 643,037,300,763,359/27,878,849.10
  6. Step 6: Final answer
    x = 23,065,417.75

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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.