Home / 10,380,670.10-15,571,005.15-9,782,798.98

Finding the Fourth Proportional to 10,380,670.10, 15,571,005.15 and 9,782,798.98

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Solution

The fourth proportional to 10,380,670.10, 15,571,005.15 and 9,782,798.98 is: 14,674,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,670.10 : 15,571,005.15 = 9,782,798.98 : x
  2. Step 2: Convert to fraction form
    10,380,670.10/15,571,005.15 = 9,782,798.98/x
  3. Step 3: Cross multiply
    10,380,670.10x = 15,571,005.15 × 9,782,798.98
  4. Step 4: Simplify right side
    10,380,670.10x = 152,328,013,221,139.72
  5. Step 5: Solve for x
    x = 152,328,013,221,139.72/10,380,670.10
  6. Step 6: Final answer
    x = 14,674,198.46

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Similar ratio
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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.