Home / 15,842,478.29-21,862,054.37-8,966,812.73

Finding the Fourth Proportional to 15,842,478.29, 21,862,054.37 and 8,966,812.73

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Solution

The fourth proportional to 15,842,478.29, 21,862,054.37 and 8,966,812.73 is: 12,373,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842,478.29 : 21,862,054.37 = 8,966,812.73 : x
  2. Step 2: Convert to fraction form
    15,842,478.29/21,862,054.37 = 8,966,812.73/x
  3. Step 3: Cross multiply
    15,842,478.29x = 21,862,054.37 × 8,966,812.73
  4. Step 4: Simplify right side
    15,842,478.29x = 196,032,947,341,974.88
  5. Step 5: Solve for x
    x = 196,032,947,341,974.88/15,842,478.29
  6. Step 6: Final answer
    x = 12,373,881.40

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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.