Home / 30,739,531.60-46,109,297.40-8,020,428.85

Finding the Fourth Proportional to 30,739,531.60, 46,109,297.40 and 8,020,428.85

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Solution

The fourth proportional to 30,739,531.60, 46,109,297.40 and 8,020,428.85 is: 12,030,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739,531.60 : 46,109,297.40 = 8,020,428.85 : x
  2. Step 2: Convert to fraction form
    30,739,531.60/46,109,297.40 = 8,020,428.85/x
  3. Step 3: Cross multiply
    30,739,531.60x = 46,109,297.40 × 8,020,428.85
  4. Step 4: Simplify right side
    30,739,531.60x = 369,816,339,120,189.94
  5. Step 5: Solve for x
    x = 369,816,339,120,189.94/30,739,531.60
  6. Step 6: Final answer
    x = 12,030,643.28

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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.