Home / 13,637,286.74-18,819,854.69-7,442,730.77

Finding the Fourth Proportional to 13,637,286.74, 18,819,854.69 and 7,442,730.77

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Solution

The fourth proportional to 13,637,286.74, 18,819,854.69 and 7,442,730.77 is: 10,271,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,286.74 : 18,819,854.69 = 7,442,730.77 : x
  2. Step 2: Convert to fraction form
    13,637,286.74/18,819,854.69 = 7,442,730.77/x
  3. Step 3: Cross multiply
    13,637,286.74x = 18,819,854.69 × 7,442,730.77
  4. Step 4: Simplify right side
    13,637,286.74x = 140,071,111,456,878.88
  5. Step 5: Solve for x
    x = 140,071,111,456,878.88/13,637,286.74
  6. Step 6: Final answer
    x = 10,271,186.21

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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.