Home / 8,696,472.20-13,032,266.70-6,404,107.40

Finding the Fourth Proportional to 8,696,472.20, 13,032,266.70 and 6,404,107.40

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Solution

The fourth proportional to 8,696,472.20, 13,032,266.70 and 6,404,107.40 is: 9,596,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,472.20 : 13,032,266.70 = 6,404,107.40 : x
  2. Step 2: Convert to fraction form
    8,696,472.20/13,032,266.70 = 6,404,107.40/x
  3. Step 3: Cross multiply
    8,696,472.20x = 13,032,266.70 × 6,404,107.40
  4. Step 4: Simplify right side
    8,696,472.20x = 83,460,035,612,243.58
  5. Step 5: Solve for x
    x = 83,460,035,612,243.58/8,696,472.20
  6. Step 6: Final answer
    x = 9,596,999.07

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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.