Home / 21,335,258.23-31,989,927.69-8,365,871.35

Finding the Fourth Proportional to 21,335,258.23, 31,989,927.69 and 8,365,871.35

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Solution

The fourth proportional to 21,335,258.23, 31,989,927.69 and 8,365,871.35 is: 12,543,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,258.23 : 31,989,927.69 = 8,365,871.35 : x
  2. Step 2: Convert to fraction form
    21,335,258.23/31,989,927.69 = 8,365,871.35/x
  3. Step 3: Cross multiply
    21,335,258.23x = 31,989,927.69 × 8,365,871.35
  4. Step 4: Simplify right side
    21,335,258.23x = 267,623,619,550,342.69
  5. Step 5: Solve for x
    x = 267,623,619,550,342.69/21,335,258.23
  6. Step 6: Final answer
    x = 12,543,725.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.