Home / 12,997,925.97-19,465,942.93-7,521,476.07

Finding the Fourth Proportional to 12,997,925.97, 19,465,942.93 and 7,521,476.07

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Solution

The fourth proportional to 12,997,925.97, 19,465,942.93 and 7,521,476.07 is: 11,264,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,925.97 : 19,465,942.93 = 7,521,476.07 : x
  2. Step 2: Convert to fraction form
    12,997,925.97/19,465,942.93 = 7,521,476.07/x
  3. Step 3: Cross multiply
    12,997,925.97x = 19,465,942.93 × 7,521,476.07
  4. Step 4: Simplify right side
    12,997,925.97x = 146,412,623,927,980.69
  5. Step 5: Solve for x
    x = 146,412,623,927,980.69/12,997,925.97
  6. Step 6: Final answer
    x = 11,264,306.65

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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.