Home / 42,841,138.90-64,263,775.07-14,086,637.86

Finding the Fourth Proportional to 42,841,138.90, 64,263,775.07 and 14,086,637.86

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Solution

The fourth proportional to 42,841,138.90, 64,263,775.07 and 14,086,637.86 is: 21,130,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841,138.90 : 64,263,775.07 = 14,086,637.86 : x
  2. Step 2: Convert to fraction form
    42,841,138.90/64,263,775.07 = 14,086,637.86/x
  3. Step 3: Cross multiply
    42,841,138.90x = 64,263,775.07 × 14,086,637.86
  4. Step 4: Simplify right side
    42,841,138.90x = 905,260,526,535,834.12
  5. Step 5: Solve for x
    x = 905,260,526,535,834.12/42,841,138.90
  6. Step 6: Final answer
    x = 21,130,636.34

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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.