Home / 15,301,459.89-21,114,409.30-8,683,941.02

Finding the Fourth Proportional to 15,301,459.89, 21,114,409.30 and 8,683,941.02

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Solution

The fourth proportional to 15,301,459.89, 21,114,409.30 and 8,683,941.02 is: 11,982,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,459.89 : 21,114,409.30 = 8,683,941.02 : x
  2. Step 2: Convert to fraction form
    15,301,459.89/21,114,409.30 = 8,683,941.02/x
  3. Step 3: Cross multiply
    15,301,459.89x = 21,114,409.30 × 8,683,941.02
  4. Step 4: Simplify right side
    15,301,459.89x = 183,356,284,906,057.59
  5. Step 5: Solve for x
    x = 183,356,284,906,057.59/15,301,459.89
  6. Step 6: Final answer
    x = 11,982,927.53

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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.