Home / 20,547,410.82-28,355,356.17-11,845,541.94

Finding the Fourth Proportional to 20,547,410.82, 28,355,356.17 and 11,845,541.94

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Solution

The fourth proportional to 20,547,410.82, 28,355,356.17 and 11,845,541.94 is: 16,346,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,410.82 : 28,355,356.17 = 11,845,541.94 : x
  2. Step 2: Convert to fraction form
    20,547,410.82/28,355,356.17 = 11,845,541.94/x
  3. Step 3: Cross multiply
    20,547,410.82x = 28,355,356.17 × 11,845,541.94
  4. Step 4: Simplify right side
    20,547,410.82x = 335,884,560,735,372.75
  5. Step 5: Solve for x
    x = 335,884,560,735,372.75/20,547,410.82
  6. Step 6: Final answer
    x = 16,346,807.08

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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.