Home / 10,369,881.80-15,554,822.70-6,543,506.60

Finding the Fourth Proportional to 10,369,881.80, 15,554,822.70 and 6,543,506.60

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Solution

The fourth proportional to 10,369,881.80, 15,554,822.70 and 6,543,506.60 is: 9,815,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,881.80 : 15,554,822.70 = 6,543,506.60 : x
  2. Step 2: Convert to fraction form
    10,369,881.80/15,554,822.70 = 6,543,506.60/x
  3. Step 3: Cross multiply
    10,369,881.80x = 15,554,822.70 × 6,543,506.60
  4. Step 4: Simplify right side
    10,369,881.80x = 101,783,084,999,279.81
  5. Step 5: Solve for x
    x = 101,783,084,999,279.81/10,369,881.80
  6. Step 6: Final answer
    x = 9,815,259.90

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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.