Home / 12,950,762-17,871,582.14-7,149,418.88

Finding the Fourth Proportional to 12,950,762, 17,871,582.14 and 7,149,418.88

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Solution

The fourth proportional to 12,950,762, 17,871,582.14 and 7,149,418.88 is: 9,865,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,762 : 17,871,582.14 = 7,149,418.88 : x
  2. Step 2: Convert to fraction form
    12,950,762/17,871,582.14 = 7,149,418.88/x
  3. Step 3: Cross multiply
    12,950,762x = 17,871,582.14 × 7,149,418.88
  4. Step 4: Simplify right side
    12,950,762x = 127,771,426,767,186.81
  5. Step 5: Solve for x
    x = 127,771,426,767,186.81/12,950,762
  6. Step 6: Final answer
    x = 9,865,938.91

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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.