Home / 11,977,621.80-17,966,432.70-4,403,603.40

Finding the Fourth Proportional to 11,977,621.80, 17,966,432.70 and 4,403,603.40

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Solution

The fourth proportional to 11,977,621.80, 17,966,432.70 and 4,403,603.40 is: 6,605,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,621.80 : 17,966,432.70 = 4,403,603.40 : x
  2. Step 2: Convert to fraction form
    11,977,621.80/17,966,432.70 = 4,403,603.40/x
  3. Step 3: Cross multiply
    11,977,621.80x = 17,966,432.70 × 4,403,603.40
  4. Step 4: Simplify right side
    11,977,621.80x = 79,117,044,123,591.19
  5. Step 5: Solve for x
    x = 79,117,044,123,591.19/11,977,621.80
  6. Step 6: Final answer
    x = 6,605,405.10

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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.