Home / 13,428,606.70-20,142,910.05-11,602,024.30

Finding the Fourth Proportional to 13,428,606.70, 20,142,910.05 and 11,602,024.30

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Solution

The fourth proportional to 13,428,606.70, 20,142,910.05 and 11,602,024.30 is: 17,403,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,606.70 : 20,142,910.05 = 11,602,024.30 : x
  2. Step 2: Convert to fraction form
    13,428,606.70/20,142,910.05 = 11,602,024.30/x
  3. Step 3: Cross multiply
    13,428,606.70x = 20,142,910.05 × 11,602,024.30
  4. Step 4: Simplify right side
    13,428,606.70x = 233,698,531,872,814.25
  5. Step 5: Solve for x
    x = 233,698,531,872,814.25/13,428,606.70
  6. Step 6: Final answer
    x = 17,403,036.45

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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.