Home / 13,337,252.69-18,405,496.55-7,225,681.19

Finding the Fourth Proportional to 13,337,252.69, 18,405,496.55 and 7,225,681.19

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Solution

The fourth proportional to 13,337,252.69, 18,405,496.55 and 7,225,681.19 is: 9,971,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,252.69 : 18,405,496.55 = 7,225,681.19 : x
  2. Step 2: Convert to fraction form
    13,337,252.69/18,405,496.55 = 7,225,681.19/x
  3. Step 3: Cross multiply
    13,337,252.69x = 18,405,496.55 × 7,225,681.19
  4. Step 4: Simplify right side
    13,337,252.69x = 132,992,250,139,981.59
  5. Step 5: Solve for x
    x = 132,992,250,139,981.59/13,337,252.69
  6. Step 6: Final answer
    x = 9,971,487.63

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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.