Home / 7,118,510.47-9,823,541.36-3,855,325.36

Finding the Fourth Proportional to 7,118,510.47, 9,823,541.36 and 3,855,325.36

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Solution

The fourth proportional to 7,118,510.47, 9,823,541.36 and 3,855,325.36 is: 5,320,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,510.47 : 9,823,541.36 = 3,855,325.36 : x
  2. Step 2: Convert to fraction form
    7,118,510.47/9,823,541.36 = 3,855,325.36/x
  3. Step 3: Cross multiply
    7,118,510.47x = 9,823,541.36 × 3,855,325.36
  4. Step 4: Simplify right side
    7,118,510.47x = 37,872,948,130,216.88
  5. Step 5: Solve for x
    x = 37,872,948,130,216.88/7,118,510.47
  6. Step 6: Final answer
    x = 5,320,347.32

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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.