Home / 16,826,712.40-25,236,569.40-7,242,403.60

Finding the Fourth Proportional to 16,826,712.40, 25,236,569.40 and 7,242,403.60

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Solution

The fourth proportional to 16,826,712.40, 25,236,569.40 and 7,242,403.60 is: 10,862,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826,712.40 : 25,236,569.40 = 7,242,403.60 : x
  2. Step 2: Convert to fraction form
    16,826,712.40/25,236,569.40 = 7,242,403.60/x
  3. Step 3: Cross multiply
    16,826,712.40x = 25,236,569.40 × 7,242,403.60
  4. Step 4: Simplify right side
    16,826,712.40x = 182,773,421,074,209.81
  5. Step 5: Solve for x
    x = 182,773,421,074,209.81/16,826,712.40
  6. Step 6: Final answer
    x = 10,862,099.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.