Home / 13,395,581.40-18,485,998.56-7,283,966.16

Finding the Fourth Proportional to 13,395,581.40, 18,485,998.56 and 7,283,966.16

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Solution

The fourth proportional to 13,395,581.40, 18,485,998.56 and 7,283,966.16 is: 10,051,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,581.40 : 18,485,998.56 = 7,283,966.16 : x
  2. Step 2: Convert to fraction form
    13,395,581.40/18,485,998.56 = 7,283,966.16/x
  3. Step 3: Cross multiply
    13,395,581.40x = 18,485,998.56 × 7,283,966.16
  4. Step 4: Simplify right side
    13,395,581.40x = 134,651,387,944,848.72
  5. Step 5: Solve for x
    x = 134,651,387,944,848.72/13,395,581.40
  6. Step 6: Final answer
    x = 10,051,925.63

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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.