Home / 15,914,992.64-21,962,690.07-8,671,648.64

Finding the Fourth Proportional to 15,914,992.64, 21,962,690.07 and 8,671,648.64

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Solution

The fourth proportional to 15,914,992.64, 21,962,690.07 and 8,671,648.64 is: 11,966,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,992.64 : 21,962,690.07 = 8,671,648.64 : x
  2. Step 2: Convert to fraction form
    15,914,992.64/21,962,690.07 = 8,671,648.64/x
  3. Step 3: Cross multiply
    15,914,992.64x = 21,962,690.07 × 8,671,648.64
  4. Step 4: Simplify right side
    15,914,992.64x = 190,452,731,506,243
  5. Step 5: Solve for x
    x = 190,452,731,506,243/15,914,992.64
  6. Step 6: Final answer
    x = 11,966,875.25

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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.