Home / 12,357,735.40-18,536,603.10-10,491,495.40

Finding the Fourth Proportional to 12,357,735.40, 18,536,603.10 and 10,491,495.40

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Solution

The fourth proportional to 12,357,735.40, 18,536,603.10 and 10,491,495.40 is: 15,737,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,735.40 : 18,536,603.10 = 10,491,495.40 : x
  2. Step 2: Convert to fraction form
    12,357,735.40/18,536,603.10 = 10,491,495.40/x
  3. Step 3: Cross multiply
    12,357,735.40x = 18,536,603.10 × 10,491,495.40
  4. Step 4: Simplify right side
    12,357,735.40x = 194,476,686,155,275.75
  5. Step 5: Solve for x
    x = 194,476,686,155,275.75/12,357,735.40
  6. Step 6: Final answer
    x = 15,737,243.10

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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.