Home / 28,877,043.13-39,850,319.93-15,824,815.72

Finding the Fourth Proportional to 28,877,043.13, 39,850,319.93 and 15,824,815.72

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Solution

The fourth proportional to 28,877,043.13, 39,850,319.93 and 15,824,815.72 is: 21,838,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,043.13 : 39,850,319.93 = 15,824,815.72 : x
  2. Step 2: Convert to fraction form
    28,877,043.13/39,850,319.93 = 15,824,815.72/x
  3. Step 3: Cross multiply
    28,877,043.13x = 39,850,319.93 × 15,824,815.72
  4. Step 4: Simplify right side
    28,877,043.13x = 630,623,969,096,543.38
  5. Step 5: Solve for x
    x = 630,623,969,096,543.38/28,877,043.13
  6. Step 6: Final answer
    x = 21,838,245.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.