Home / 7,890,246.90-11,826,039.15-4,101,779.70

Finding the Fourth Proportional to 7,890,246.90, 11,826,039.15 and 4,101,779.70

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Solution

The fourth proportional to 7,890,246.90, 11,826,039.15 and 4,101,779.70 is: 6,147,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,246.90 : 11,826,039.15 = 4,101,779.70 : x
  2. Step 2: Convert to fraction form
    7,890,246.90/11,826,039.15 = 4,101,779.70/x
  3. Step 3: Cross multiply
    7,890,246.90x = 11,826,039.15 × 4,101,779.70
  4. Step 4: Simplify right side
    7,890,246.90x = 48,507,807,316,875.26
  5. Step 5: Solve for x
    x = 48,507,807,316,875.26/7,890,246.90
  6. Step 6: Final answer
    x = 6,147,818.68

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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.