Home / 15,779,809.20-23,669,713.80-5,678,785.20

Finding the Fourth Proportional to 15,779,809.20, 23,669,713.80 and 5,678,785.20

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Solution

The fourth proportional to 15,779,809.20, 23,669,713.80 and 5,678,785.20 is: 8,518,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,809.20 : 23,669,713.80 = 5,678,785.20 : x
  2. Step 2: Convert to fraction form
    15,779,809.20/23,669,713.80 = 5,678,785.20/x
  3. Step 3: Cross multiply
    15,779,809.20x = 23,669,713.80 × 5,678,785.20
  4. Step 4: Simplify right side
    15,779,809.20x = 134,415,220,415,675.77
  5. Step 5: Solve for x
    x = 134,415,220,415,675.77/15,779,809.20
  6. Step 6: Final answer
    x = 8,518,177.80

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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.