Home / 37,972,986.45-52,402,972.90-20,569,331.67

Finding the Fourth Proportional to 37,972,986.45, 52,402,972.90 and 20,569,331.67

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Solution

The fourth proportional to 37,972,986.45, 52,402,972.90 and 20,569,331.67 is: 28,385,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972,986.45 : 52,402,972.90 = 20,569,331.67 : x
  2. Step 2: Convert to fraction form
    37,972,986.45/52,402,972.90 = 20,569,331.67/x
  3. Step 3: Cross multiply
    37,972,986.45x = 52,402,972.90 × 20,569,331.67
  4. Step 4: Simplify right side
    37,972,986.45x = 1,077,894,130,074,121.75
  5. Step 5: Solve for x
    x = 1,077,894,130,074,121.75/37,972,986.45
  6. Step 6: Final answer
    x = 28,385,813.99

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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.