Home / 13,341,953.85-18,411,912.06-7,230,382.35

Finding the Fourth Proportional to 13,341,953.85, 18,411,912.06 and 7,230,382.35

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Solution

The fourth proportional to 13,341,953.85, 18,411,912.06 and 7,230,382.35 is: 9,977,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,953.85 : 18,411,912.06 = 7,230,382.35 : x
  2. Step 2: Convert to fraction form
    13,341,953.85/18,411,912.06 = 7,230,382.35/x
  3. Step 3: Cross multiply
    13,341,953.85x = 18,411,912.06 × 7,230,382.35
  4. Step 4: Simplify right side
    13,341,953.85x = 133,125,163,988,376.12
  5. Step 5: Solve for x
    x = 133,125,163,988,376.12/13,341,953.85
  6. Step 6: Final answer
    x = 9,977,936.18

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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.