Home / 11,343,308.70-16,999,411.05-7,287,347.10

Finding the Fourth Proportional to 11,343,308.70, 16,999,411.05 and 7,287,347.10

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Solution

The fourth proportional to 11,343,308.70, 16,999,411.05 and 7,287,347.10 is: 10,921,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343,308.70 : 16,999,411.05 = 7,287,347.10 : x
  2. Step 2: Convert to fraction form
    11,343,308.70/16,999,411.05 = 7,287,347.10/x
  3. Step 3: Cross multiply
    11,343,308.70x = 16,999,411.05 × 7,287,347.10
  4. Step 4: Simplify right side
    11,343,308.70x = 123,880,608,816,925.45
  5. Step 5: Solve for x
    x = 123,880,608,816,925.45/11,343,308.70
  6. Step 6: Final answer
    x = 10,921,029.49

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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.