Home / 28,931,085.60-43,380,860.40-8,733,703.20

Finding the Fourth Proportional to 28,931,085.60, 43,380,860.40 and 8,733,703.20

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Solution

The fourth proportional to 28,931,085.60, 43,380,860.40 and 8,733,703.20 is: 13,095,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,085.60 : 43,380,860.40 = 8,733,703.20 : x
  2. Step 2: Convert to fraction form
    28,931,085.60/43,380,860.40 = 8,733,703.20/x
  3. Step 3: Cross multiply
    28,931,085.60x = 43,380,860.40 × 8,733,703.20
  4. Step 4: Simplify right side
    28,931,085.60x = 378,875,559,294,233.25
  5. Step 5: Solve for x
    x = 378,875,559,294,233.25/28,931,085.60
  6. Step 6: Final answer
    x = 13,095,794.76

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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.