Home / 12,937,021.23-17,852,776.50-7,135,678.41

Finding the Fourth Proportional to 12,937,021.23, 17,852,776.50 and 7,135,678.41

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Solution

The fourth proportional to 12,937,021.23, 17,852,776.50 and 7,135,678.41 is: 9,847,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,021.23 : 17,852,776.50 = 7,135,678.41 : x
  2. Step 2: Convert to fraction form
    12,937,021.23/17,852,776.50 = 7,135,678.41/x
  3. Step 3: Cross multiply
    12,937,021.23x = 17,852,776.50 × 7,135,678.41
  4. Step 4: Simplify right side
    12,937,021.23x = 127,391,671,829,605.38
  5. Step 5: Solve for x
    x = 127,391,671,829,605.38/12,937,021.23
  6. Step 6: Final answer
    x = 9,847,063.68

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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.