Home / 18,389,228.13-25,376,196.90-10,129,112.58

Finding the Fourth Proportional to 18,389,228.13, 25,376,196.90 and 10,129,112.58

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Solution

The fourth proportional to 18,389,228.13, 25,376,196.90 and 10,129,112.58 is: 13,977,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,228.13 : 25,376,196.90 = 10,129,112.58 : x
  2. Step 2: Convert to fraction form
    18,389,228.13/25,376,196.90 = 10,129,112.58/x
  3. Step 3: Cross multiply
    18,389,228.13x = 25,376,196.90 × 10,129,112.58
  4. Step 4: Simplify right side
    18,389,228.13x = 257,038,355,252,347
  5. Step 5: Solve for x
    x = 257,038,355,252,347/18,389,228.13
  6. Step 6: Final answer
    x = 13,977,658.74

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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.