Home / 28,840,895.42-39,800,432.72-15,610,070.03

Finding the Fourth Proportional to 28,840,895.42, 39,800,432.72 and 15,610,070.03

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Solution

The fourth proportional to 28,840,895.42, 39,800,432.72 and 15,610,070.03 is: 21,541,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840,895.42 : 39,800,432.72 = 15,610,070.03 : x
  2. Step 2: Convert to fraction form
    28,840,895.42/39,800,432.72 = 15,610,070.03/x
  3. Step 3: Cross multiply
    28,840,895.42x = 39,800,432.72 × 15,610,070.03
  4. Step 4: Simplify right side
    28,840,895.42x = 621,287,541,905,453
  5. Step 5: Solve for x
    x = 621,287,541,905,453/28,840,895.42
  6. Step 6: Final answer
    x = 21,541,895.04

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1.5x scale

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.