Home / 27,716,690.86-38,249,281.10-15,327,617.78

Finding the Fourth Proportional to 27,716,690.86, 38,249,281.10 and 15,327,617.78

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Solution

The fourth proportional to 27,716,690.86, 38,249,281.10 and 15,327,617.78 is: 21,152,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716,690.86 : 38,249,281.10 = 15,327,617.78 : x
  2. Step 2: Convert to fraction form
    27,716,690.86/38,249,281.10 = 15,327,617.78/x
  3. Step 3: Cross multiply
    27,716,690.86x = 38,249,281.10 × 15,327,617.78
  4. Step 4: Simplify right side
    27,716,690.86x = 586,270,361,086,925
  5. Step 5: Solve for x
    x = 586,270,361,086,925/27,716,690.86
  6. Step 6: Final answer
    x = 21,152,249.52

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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.