Home / 15,243,223.04-21,035,103.52-8,627,669.52

Finding the Fourth Proportional to 15,243,223.04, 21,035,103.52 and 8,627,669.52

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Solution

The fourth proportional to 15,243,223.04, 21,035,103.52 and 8,627,669.52 is: 11,905,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,223.04 : 21,035,103.52 = 8,627,669.52 : x
  2. Step 2: Convert to fraction form
    15,243,223.04/21,035,103.52 = 8,627,669.52/x
  3. Step 3: Cross multiply
    15,243,223.04x = 21,035,103.52 × 8,627,669.52
  4. Step 4: Simplify right side
    15,243,223.04x = 181,483,921,489,548.69
  5. Step 5: Solve for x
    x = 181,483,921,489,548.69/15,243,223.04
  6. Step 6: Final answer
    x = 11,905,875.88

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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.