Home / 14,985,500.48-20,679,989.28-8,109,984

Finding the Fourth Proportional to 14,985,500.48, 20,679,989.28 and 8,109,984

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Solution

The fourth proportional to 14,985,500.48, 20,679,989.28 and 8,109,984 is: 11,191,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,500.48 : 20,679,989.28 = 8,109,984 : x
  2. Step 2: Convert to fraction form
    14,985,500.48/20,679,989.28 = 8,109,984/x
  3. Step 3: Cross multiply
    14,985,500.48x = 20,679,989.28 × 8,109,984
  4. Step 4: Simplify right side
    14,985,500.48x = 167,714,382,180,971.53
  5. Step 5: Solve for x
    x = 167,714,382,180,971.53/14,985,500.48
  6. Step 6: Final answer
    x = 11,191,777.17

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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.