Home / 10,663,353.80-15,995,030.70-9,487,622.60

Finding the Fourth Proportional to 10,663,353.80, 15,995,030.70 and 9,487,622.60

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Solution

The fourth proportional to 10,663,353.80, 15,995,030.70 and 9,487,622.60 is: 14,231,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663,353.80 : 15,995,030.70 = 9,487,622.60 : x
  2. Step 2: Convert to fraction form
    10,663,353.80/15,995,030.70 = 9,487,622.60/x
  3. Step 3: Cross multiply
    10,663,353.80x = 15,995,030.70 × 9,487,622.60
  4. Step 4: Simplify right side
    10,663,353.80x = 151,754,814,757,013.81
  5. Step 5: Solve for x
    x = 151,754,814,757,013.81/10,663,353.80
  6. Step 6: Final answer
    x = 14,231,433.90

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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.