Home / 8,302,430.90-12,455,979.15-4,042,738.10

Finding the Fourth Proportional to 8,302,430.90, 12,455,979.15 and 4,042,738.10

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Solution

The fourth proportional to 8,302,430.90, 12,455,979.15 and 4,042,738.10 is: 6,065,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,430.90 : 12,455,979.15 = 4,042,738.10 : x
  2. Step 2: Convert to fraction form
    8,302,430.90/12,455,979.15 = 4,042,738.10/x
  3. Step 3: Cross multiply
    8,302,430.90x = 12,455,979.15 × 4,042,738.10
  4. Step 4: Simplify right side
    8,302,430.90x = 50,356,261,482,510.62
  5. Step 5: Solve for x
    x = 50,356,261,482,510.62/8,302,430.90
  6. Step 6: Final answer
    x = 6,065,243.07

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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.