Home / 15,780,001.40-23,670,002.10-12,591,355.40

Finding the Fourth Proportional to 15,780,001.40, 23,670,002.10 and 12,591,355.40

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Solution

The fourth proportional to 15,780,001.40, 23,670,002.10 and 12,591,355.40 is: 18,887,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,001.40 : 23,670,002.10 = 12,591,355.40 : x
  2. Step 2: Convert to fraction form
    15,780,001.40/23,670,002.10 = 12,591,355.40/x
  3. Step 3: Cross multiply
    15,780,001.40x = 23,670,002.10 × 12,591,355.40
  4. Step 4: Simplify right side
    15,780,001.40x = 298,037,408,759,846.38
  5. Step 5: Solve for x
    x = 298,037,408,759,846.38/15,780,001.40
  6. Step 6: Final answer
    x = 18,887,033.10

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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.