Home / 28,572,014.67-39,429,699.78-16,813,882.55

Finding the Fourth Proportional to 28,572,014.67, 39,429,699.78 and 16,813,882.55

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Solution

The fourth proportional to 28,572,014.67, 39,429,699.78 and 16,813,882.55 is: 23,203,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572,014.67 : 39,429,699.78 = 16,813,882.55 : x
  2. Step 2: Convert to fraction form
    28,572,014.67/39,429,699.78 = 16,813,882.55/x
  3. Step 3: Cross multiply
    28,572,014.67x = 39,429,699.78 × 16,813,882.55
  4. Step 4: Simplify right side
    28,572,014.67x = 662,966,341,082,680.88
  5. Step 5: Solve for x
    x = 662,966,341,082,680.88/28,572,014.67
  6. Step 6: Final answer
    x = 23,203,345.96

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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.