Home / 10,369,866.60-15,554,799.90-7,794,455.40

Finding the Fourth Proportional to 10,369,866.60, 15,554,799.90 and 7,794,455.40

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Solution

The fourth proportional to 10,369,866.60, 15,554,799.90 and 7,794,455.40 is: 11,691,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,866.60 : 15,554,799.90 = 7,794,455.40 : x
  2. Step 2: Convert to fraction form
    10,369,866.60/15,554,799.90 = 7,794,455.40/x
  3. Step 3: Cross multiply
    10,369,866.60x = 15,554,799.90 × 7,794,455.40
  4. Step 4: Simplify right side
    10,369,866.60x = 121,241,194,076,474.47
  5. Step 5: Solve for x
    x = 121,241,194,076,474.47/10,369,866.60
  6. Step 6: Final answer
    x = 11,691,683.10

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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.