Home / 13,636,609.58-18,818,920.92-7,442,054.58

Finding the Fourth Proportional to 13,636,609.58, 18,818,920.92 and 7,442,054.58

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Solution

The fourth proportional to 13,636,609.58, 18,818,920.92 and 7,442,054.58 is: 10,270,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,609.58 : 18,818,920.92 = 7,442,054.58 : x
  2. Step 2: Convert to fraction form
    13,636,609.58/18,818,920.92 = 7,442,054.58/x
  3. Step 3: Cross multiply
    13,636,609.58x = 18,818,920.92 × 7,442,054.58
  4. Step 4: Simplify right side
    13,636,609.58x = 140,051,436,623,343.83
  5. Step 5: Solve for x
    x = 140,051,436,623,343.83/13,636,609.58
  6. Step 6: Final answer
    x = 10,270,253.45

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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.