Home / 15,502,622.96-21,393,465-8,626,987.28

Finding the Fourth Proportional to 15,502,622.96, 21,393,465 and 8,626,987.28

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Solution

The fourth proportional to 15,502,622.96, 21,393,465 and 8,626,987.28 is: 11,905,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,622.96 : 21,393,465 = 8,626,987.28 : x
  2. Step 2: Convert to fraction form
    15,502,622.96/21,393,465 = 8,626,987.28/x
  3. Step 3: Cross multiply
    15,502,622.96x = 21,393,465 × 8,626,987.28
  4. Step 4: Simplify right side
    15,502,622.96x = 184,561,150,430,125.19
  5. Step 5: Solve for x
    x = 184,561,150,430,125.19/15,502,622.96
  6. Step 6: Final answer
    x = 11,905,156.37

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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.