Home / 6,685,387.47-9,234,488.89-5,528,506.69

Finding the Fourth Proportional to 6,685,387.47, 9,234,488.89 and 5,528,506.69

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Solution

The fourth proportional to 6,685,387.47, 9,234,488.89 and 5,528,506.69 is: 7,636,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685,387.47 : 9,234,488.89 = 5,528,506.69 : x
  2. Step 2: Convert to fraction form
    6,685,387.47/9,234,488.89 = 5,528,506.69/x
  3. Step 3: Cross multiply
    6,685,387.47x = 9,234,488.89 × 5,528,506.69
  4. Step 4: Simplify right side
    6,685,387.47x = 51,052,933,607,095.68
  5. Step 5: Solve for x
    x = 51,052,933,607,095.68/6,685,387.47
  6. Step 6: Final answer
    x = 7,636,495.84

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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.