Home / 12,096,987.40-18,124,485.90-11,341,160.20

Finding the Fourth Proportional to 12,096,987.40, 18,124,485.90 and 11,341,160.20

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Solution

The fourth proportional to 12,096,987.40, 18,124,485.90 and 11,341,160.20 is: 16,992,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,987.40 : 18,124,485.90 = 11,341,160.20 : x
  2. Step 2: Convert to fraction form
    12,096,987.40/18,124,485.90 = 11,341,160.20/x
  3. Step 3: Cross multiply
    12,096,987.40x = 18,124,485.90 × 11,341,160.20
  4. Step 4: Simplify right side
    12,096,987.40x = 205,552,698,134,541.16
  5. Step 5: Solve for x
    x = 205,552,698,134,541.16/12,096,987.40
  6. Step 6: Final answer
    x = 16,992,056.89

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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.