Home / 13,376,783.49-18,459,343.31-7,575,607.05

Finding the Fourth Proportional to 13,376,783.49, 18,459,343.31 and 7,575,607.05

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Solution

The fourth proportional to 13,376,783.49, 18,459,343.31 and 7,575,607.05 is: 10,453,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,783.49 : 18,459,343.31 = 7,575,607.05 : x
  2. Step 2: Convert to fraction form
    13,376,783.49/18,459,343.31 = 7,575,607.05/x
  3. Step 3: Cross multiply
    13,376,783.49x = 18,459,343.31 × 7,575,607.05
  4. Step 4: Simplify right side
    13,376,783.49x = 139,840,731,279,728.30
  5. Step 5: Solve for x
    x = 139,840,731,279,728.30/13,376,783.49
  6. Step 6: Final answer
    x = 10,453,987.79

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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.