Home / 10,380,875.10-15,571,312.65-9,783,003.98

Finding the Fourth Proportional to 10,380,875.10, 15,571,312.65 and 9,783,003.98

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Solution

The fourth proportional to 10,380,875.10, 15,571,312.65 and 9,783,003.98 is: 14,674,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,875.10 : 15,571,312.65 = 9,783,003.98 : x
  2. Step 2: Convert to fraction form
    10,380,875.10/15,571,312.65 = 9,783,003.98/x
  3. Step 3: Cross multiply
    10,380,875.10x = 15,571,312.65 × 9,783,003.98
  4. Step 4: Simplify right side
    10,380,875.10x = 152,334,213,550,917.78
  5. Step 5: Solve for x
    x = 152,334,213,550,917.78/10,380,875.10
  6. Step 6: Final answer
    x = 14,674,505.96

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Double scale
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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.