Home / 13,044,580.40-19,566,745.28-7,928,421.96

Finding the Fourth Proportional to 13,044,580.40, 19,566,745.28 and 7,928,421.96

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Solution

The fourth proportional to 13,044,580.40, 19,566,745.28 and 7,928,421.96 is: 11,892,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,580.40 : 19,566,745.28 = 7,928,421.96 : x
  2. Step 2: Convert to fraction form
    13,044,580.40/19,566,745.28 = 7,928,421.96/x
  3. Step 3: Cross multiply
    13,044,580.40x = 19,566,745.28 × 7,928,421.96
  4. Step 4: Simplify right side
    13,044,580.40x = 155,133,412,963,678.34
  5. Step 5: Solve for x
    x = 155,133,412,963,678.34/13,044,580.40
  6. Step 6: Final answer
    x = 11,892,556.77

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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.