Home / 12,926,485.79-17,839,348.49-7,125,254.45

Finding the Fourth Proportional to 12,926,485.79, 17,839,348.49 and 7,125,254.45

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Solution

The fourth proportional to 12,926,485.79, 17,839,348.49 and 7,125,254.45 is: 9,833,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,485.79 : 17,839,348.49 = 7,125,254.45 : x
  2. Step 2: Convert to fraction form
    12,926,485.79/17,839,348.49 = 7,125,254.45/x
  3. Step 3: Cross multiply
    12,926,485.79x = 17,839,348.49 × 7,125,254.45
  4. Step 4: Simplify right side
    12,926,485.79x = 127,109,897,142,089.67
  5. Step 5: Solve for x
    x = 127,109,897,142,089.67/12,926,485.79
  6. Step 6: Final answer
    x = 9,833,291.06

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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.