Home / 40,011,749.82-55,216,307.21-22,371,281.06

Finding the Fourth Proportional to 40,011,749.82, 55,216,307.21 and 22,371,281.06

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Solution

The fourth proportional to 40,011,749.82, 55,216,307.21 and 22,371,281.06 is: 30,872,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,749.82 : 55,216,307.21 = 22,371,281.06 : x
  2. Step 2: Convert to fraction form
    40,011,749.82/55,216,307.21 = 22,371,281.06/x
  3. Step 3: Cross multiply
    40,011,749.82x = 55,216,307.21 × 22,371,281.06
  4. Step 4: Simplify right side
    40,011,749.82x = 1,235,259,527,302,276.50
  5. Step 5: Solve for x
    x = 1,235,259,527,302,276.50/40,011,749.82
  6. Step 6: Final answer
    x = 30,872,419.55

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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.