Home / 8,499,678.45-11,729,972.15-4,779,680.30

Finding the Fourth Proportional to 8,499,678.45, 11,729,972.15 and 4,779,680.30

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Solution

The fourth proportional to 8,499,678.45, 11,729,972.15 and 4,779,680.30 is: 6,596,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,678.45 : 11,729,972.15 = 4,779,680.30 : x
  2. Step 2: Convert to fraction form
    8,499,678.45/11,729,972.15 = 4,779,680.30/x
  3. Step 3: Cross multiply
    8,499,678.45x = 11,729,972.15 × 4,779,680.30
  4. Step 4: Simplify right side
    8,499,678.45x = 56,065,516,722,355.38
  5. Step 5: Solve for x
    x = 56,065,516,722,355.38/8,499,678.45
  6. Step 6: Final answer
    x = 6,596,192.67

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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.