Home / 14,969,998.78-20,658,867.37-8,779,510.37

Finding the Fourth Proportional to 14,969,998.78, 20,658,867.37 and 8,779,510.37

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Solution

The fourth proportional to 14,969,998.78, 20,658,867.37 and 8,779,510.37 is: 12,115,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,998.78 : 20,658,867.37 = 8,779,510.37 : x
  2. Step 2: Convert to fraction form
    14,969,998.78/20,658,867.37 = 8,779,510.37/x
  3. Step 3: Cross multiply
    14,969,998.78x = 20,658,867.37 × 8,779,510.37
  4. Step 4: Simplify right side
    14,969,998.78x = 181,374,740,337,068.03
  5. Step 5: Solve for x
    x = 181,374,740,337,068.03/14,969,998.78
  6. Step 6: Final answer
    x = 12,115,882.11

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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.