Home / 28,485,646.02-39,310,230.60-15,432,905.61

Finding the Fourth Proportional to 28,485,646.02, 39,310,230.60 and 15,432,905.61

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Solution

The fourth proportional to 28,485,646.02, 39,310,230.60 and 15,432,905.61 is: 21,297,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485,646.02 : 39,310,230.60 = 15,432,905.61 : x
  2. Step 2: Convert to fraction form
    28,485,646.02/39,310,230.60 = 15,432,905.61/x
  3. Step 3: Cross multiply
    28,485,646.02x = 39,310,230.60 × 15,432,905.61
  4. Step 4: Simplify right side
    28,485,646.02x = 606,671,078,357,133.62
  5. Step 5: Solve for x
    x = 606,671,078,357,133.62/28,485,646.02
  6. Step 6: Final answer
    x = 21,297,430.92

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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.