Home / 28,880,005.60-43,320,008.40-11,835,013.60

Finding the Fourth Proportional to 28,880,005.60, 43,320,008.40 and 11,835,013.60

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Solution

The fourth proportional to 28,880,005.60, 43,320,008.40 and 11,835,013.60 is: 17,752,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880,005.60 : 43,320,008.40 = 11,835,013.60 : x
  2. Step 2: Convert to fraction form
    28,880,005.60/43,320,008.40 = 11,835,013.60/x
  3. Step 3: Cross multiply
    28,880,005.60x = 43,320,008.40 × 11,835,013.60
  4. Step 4: Simplify right side
    28,880,005.60x = 512,692,888,566,114.19
  5. Step 5: Solve for x
    x = 512,692,888,566,114.19/28,880,005.60
  6. Step 6: Final answer
    x = 17,752,520.40

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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.