Home / 30,622,092.90-45,933,139.35-13,615,980.90

Finding the Fourth Proportional to 30,622,092.90, 45,933,139.35 and 13,615,980.90

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Solution

The fourth proportional to 30,622,092.90, 45,933,139.35 and 13,615,980.90 is: 20,423,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,092.90 : 45,933,139.35 = 13,615,980.90 : x
  2. Step 2: Convert to fraction form
    30,622,092.90/45,933,139.35 = 13,615,980.90/x
  3. Step 3: Cross multiply
    30,622,092.90x = 45,933,139.35 × 13,615,980.90
  4. Step 4: Simplify right side
    30,622,092.90x = 625,424,748,066,638.50
  5. Step 5: Solve for x
    x = 625,424,748,066,638.50/30,622,092.90
  6. Step 6: Final answer
    x = 20,423,971.35

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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.