Home / 42,591,279.35-63,897,666.92-11,885,833.37

Finding the Fourth Proportional to 42,591,279.35, 63,897,666.92 and 11,885,833.37

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Solution

The fourth proportional to 42,591,279.35, 63,897,666.92 and 11,885,833.37 is: 17,831,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,591,279.35 : 63,897,666.92 = 11,885,833.37 : x
  2. Step 2: Convert to fraction form
    42,591,279.35/63,897,666.92 = 11,885,833.37/x
  3. Step 3: Cross multiply
    42,591,279.35x = 63,897,666.92 × 11,885,833.37
  4. Step 4: Simplify right side
    42,591,279.35x = 759,477,021,742,881.12
  5. Step 5: Solve for x
    x = 759,477,021,742,881.12/42,591,279.35
  6. Step 6: Final answer
    x = 17,831,749.44

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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.