Home / 28,252,348.19-42,356,967.03-12,888,893.55

Finding the Fourth Proportional to 28,252,348.19, 42,356,967.03 and 12,888,893.55

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Solution

The fourth proportional to 28,252,348.19, 42,356,967.03 and 12,888,893.55 is: 19,323,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252,348.19 : 42,356,967.03 = 12,888,893.55 : x
  2. Step 2: Convert to fraction form
    28,252,348.19/42,356,967.03 = 12,888,893.55/x
  3. Step 3: Cross multiply
    28,252,348.19x = 42,356,967.03 × 12,888,893.55
  4. Step 4: Simplify right side
    28,252,348.19x = 545,934,439,150,529.69
  5. Step 5: Solve for x
    x = 545,934,439,150,529.69/28,252,348.19
  6. Step 6: Final answer
    x = 19,323,506.69

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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.