Home / 10,365,051.10-15,547,576.65-9,945,147.10

Finding the Fourth Proportional to 10,365,051.10, 15,547,576.65 and 9,945,147.10

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Solution

The fourth proportional to 10,365,051.10, 15,547,576.65 and 9,945,147.10 is: 14,917,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,051.10 : 15,547,576.65 = 9,945,147.10 : x
  2. Step 2: Convert to fraction form
    10,365,051.10/15,547,576.65 = 9,945,147.10/x
  3. Step 3: Cross multiply
    10,365,051.10x = 15,547,576.65 × 9,945,147.10
  4. Step 4: Simplify right side
    10,365,051.10x = 154,622,936,832,775.22
  5. Step 5: Solve for x
    x = 154,622,936,832,775.22/10,365,051.10
  6. Step 6: Final answer
    x = 14,917,720.65

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Double scale
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1.5x scale

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.