Home / 13,594,340.70-20,391,511.05-7,547,723.10

Finding the Fourth Proportional to 13,594,340.70, 20,391,511.05 and 7,547,723.10

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Solution

The fourth proportional to 13,594,340.70, 20,391,511.05 and 7,547,723.10 is: 11,321,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594,340.70 : 20,391,511.05 = 7,547,723.10 : x
  2. Step 2: Convert to fraction form
    13,594,340.70/20,391,511.05 = 7,547,723.10/x
  3. Step 3: Cross multiply
    13,594,340.70x = 20,391,511.05 × 7,547,723.10
  4. Step 4: Simplify right side
    13,594,340.70x = 153,909,478,995,990.25
  5. Step 5: Solve for x
    x = 153,909,478,995,990.25/13,594,340.70
  6. Step 6: Final answer
    x = 11,321,584.65

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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.