Home / 13,386,471.69-18,473,530.01-7,274,905.05

Finding the Fourth Proportional to 13,386,471.69, 18,473,530.01 and 7,274,905.05

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Solution

The fourth proportional to 13,386,471.69, 18,473,530.01 and 7,274,905.05 is: 10,039,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,471.69 : 18,473,530.01 = 7,274,905.05 : x
  2. Step 2: Convert to fraction form
    13,386,471.69/18,473,530.01 = 7,274,905.05/x
  3. Step 3: Cross multiply
    13,386,471.69x = 18,473,530.01 × 7,274,905.05
  4. Step 4: Simplify right side
    13,386,471.69x = 134,393,176,761,075.56
  5. Step 5: Solve for x
    x = 134,393,176,761,075.56/13,386,471.69
  6. Step 6: Final answer
    x = 10,039,477.16

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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.