Home / 13,209,969.10-19,814,953.65-9,608,125.90

Finding the Fourth Proportional to 13,209,969.10, 19,814,953.65 and 9,608,125.90

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Solution

The fourth proportional to 13,209,969.10, 19,814,953.65 and 9,608,125.90 is: 14,412,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,969.10 : 19,814,953.65 = 9,608,125.90 : x
  2. Step 2: Convert to fraction form
    13,209,969.10/19,814,953.65 = 9,608,125.90/x
  3. Step 3: Cross multiply
    13,209,969.10x = 19,814,953.65 × 9,608,125.90
  4. Step 4: Simplify right side
    13,209,969.10x = 190,384,569,371,864.53
  5. Step 5: Solve for x
    x = 190,384,569,371,864.53/13,209,969.10
  6. Step 6: Final answer
    x = 14,412,188.85

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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.