Home / 21,861,970.90-32,806,953.15-12,764,050.90

Finding the Fourth Proportional to 21,861,970.90, 32,806,953.15 and 12,764,050.90

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Solution

The fourth proportional to 21,861,970.90, 32,806,953.15 and 12,764,050.90 is: 19,154,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861,970.90 : 32,806,953.15 = 12,764,050.90 : x
  2. Step 2: Convert to fraction form
    21,861,970.90/32,806,953.15 = 12,764,050.90/x
  3. Step 3: Cross multiply
    21,861,970.90x = 32,806,953.15 × 12,764,050.90
  4. Step 4: Simplify right side
    21,861,970.90x = 418,749,619,880,515.31
  5. Step 5: Solve for x
    x = 418,749,619,880,515.31/21,861,970.90
  6. Step 6: Final answer
    x = 19,154,248.34

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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.