Home / 12,997,926.06-19,465,943.10-7,521,476.18

Finding the Fourth Proportional to 12,997,926.06, 19,465,943.10 and 7,521,476.18

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Solution

The fourth proportional to 12,997,926.06, 19,465,943.10 and 7,521,476.18 is: 11,264,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,926.06 : 19,465,943.10 = 7,521,476.18 : x
  2. Step 2: Convert to fraction form
    12,997,926.06/19,465,943.10 = 7,521,476.18/x
  3. Step 3: Cross multiply
    12,997,926.06x = 19,465,943.10 × 7,521,476.18
  4. Step 4: Simplify right side
    12,997,926.06x = 146,412,627,374,154.34
  5. Step 5: Solve for x
    x = 146,412,627,374,154.34/12,997,926.06
  6. Step 6: Final answer
    x = 11,264,306.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.