Home / 28,651,606.60-42,977,409.90-19,581,680.20

Finding the Fourth Proportional to 28,651,606.60, 42,977,409.90 and 19,581,680.20

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Solution

The fourth proportional to 28,651,606.60, 42,977,409.90 and 19,581,680.20 is: 29,372,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651,606.60 : 42,977,409.90 = 19,581,680.20 : x
  2. Step 2: Convert to fraction form
    28,651,606.60/42,977,409.90 = 19,581,680.20/x
  3. Step 3: Cross multiply
    28,651,606.60x = 42,977,409.90 × 19,581,680.20
  4. Step 4: Simplify right side
    28,651,606.60x = 841,569,896,486,113.88
  5. Step 5: Solve for x
    x = 841,569,896,486,113.88/28,651,606.60
  6. Step 6: Final answer
    x = 29,372,520.30

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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.