Home / 13,013,297.96-19,403,604.45-12,655,766.32

Finding the Fourth Proportional to 13,013,297.96, 19,403,604.45 and 12,655,766.32

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Solution

The fourth proportional to 13,013,297.96, 19,403,604.45 and 12,655,766.32 is: 18,870,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,297.96 : 19,403,604.45 = 12,655,766.32 : x
  2. Step 2: Convert to fraction form
    13,013,297.96/19,403,604.45 = 12,655,766.32/x
  3. Step 3: Cross multiply
    13,013,297.96x = 19,403,604.45 × 12,655,766.32
  4. Step 4: Simplify right side
    13,013,297.96x = 245,567,483,636,403.12
  5. Step 5: Solve for x
    x = 245,567,483,636,403.12/13,013,297.96
  6. Step 6: Final answer
    x = 18,870,503.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.