Home / 10,185,511.40-14,056,299.78-5,602,126.76

Finding the Fourth Proportional to 10,185,511.40, 14,056,299.78 and 5,602,126.76

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Solution

The fourth proportional to 10,185,511.40, 14,056,299.78 and 5,602,126.76 is: 7,731,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185,511.40 : 14,056,299.78 = 5,602,126.76 : x
  2. Step 2: Convert to fraction form
    10,185,511.40/14,056,299.78 = 5,602,126.76/x
  3. Step 3: Cross multiply
    10,185,511.40x = 14,056,299.78 × 5,602,126.76
  4. Step 4: Simplify right side
    10,185,511.40x = 78,745,173,144,120.11
  5. Step 5: Solve for x
    x = 78,745,173,144,120.11/10,185,511.40
  6. Step 6: Final answer
    x = 7,731,096.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.