Home / 8,537,085.40-12,789,039.30-4,743,779.80

Finding the Fourth Proportional to 8,537,085.40, 12,789,039.30 and 4,743,779.80

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Solution

The fourth proportional to 8,537,085.40, 12,789,039.30 and 4,743,779.80 is: 7,106,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,085.40 : 12,789,039.30 = 4,743,779.80 : x
  2. Step 2: Convert to fraction form
    8,537,085.40/12,789,039.30 = 4,743,779.80/x
  3. Step 3: Cross multiply
    8,537,085.40x = 12,789,039.30 × 4,743,779.80
  4. Step 4: Simplify right side
    8,537,085.40x = 60,668,386,292,746.14
  5. Step 5: Solve for x
    x = 60,668,386,292,746.14/8,537,085.40
  6. Step 6: Final answer
    x = 7,106,451.85

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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.