Home / 7,428,712.05-10,255,869.95-5,683,165.29

Finding the Fourth Proportional to 7,428,712.05, 10,255,869.95 and 5,683,165.29

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Solution

The fourth proportional to 7,428,712.05, 10,255,869.95 and 5,683,165.29 is: 7,846,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,712.05 : 10,255,869.95 = 5,683,165.29 : x
  2. Step 2: Convert to fraction form
    7,428,712.05/10,255,869.95 = 5,683,165.29/x
  3. Step 3: Cross multiply
    7,428,712.05x = 10,255,869.95 × 5,683,165.29
  4. Step 4: Simplify right side
    7,428,712.05x = 58,285,804,090,178.21
  5. Step 5: Solve for x
    x = 58,285,804,090,178.21/7,428,712.05
  6. Step 6: Final answer
    x = 7,846,017.41

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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.