Home / 8,402,615.40-12,582,927.90-6,722,999.40

Finding the Fourth Proportional to 8,402,615.40, 12,582,927.90 and 6,722,999.40

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Solution

The fourth proportional to 8,402,615.40, 12,582,927.90 and 6,722,999.40 is: 10,067,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,615.40 : 12,582,927.90 = 6,722,999.40 : x
  2. Step 2: Convert to fraction form
    8,402,615.40/12,582,927.90 = 6,722,999.40/x
  3. Step 3: Cross multiply
    8,402,615.40x = 12,582,927.90 × 6,722,999.40
  4. Step 4: Simplify right side
    8,402,615.40x = 84,595,016,721,943.27
  5. Step 5: Solve for x
    x = 84,595,016,721,943.27/8,402,615.40
  6. Step 6: Final answer
    x = 10,067,700.67

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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.