Home / 28,026,846.10-42,020,092.86-17,221,823.02

Finding the Fourth Proportional to 28,026,846.10, 42,020,092.86 and 17,221,823.02

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Solution

The fourth proportional to 28,026,846.10, 42,020,092.86 and 17,221,823.02 is: 25,820,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,846.10 : 42,020,092.86 = 17,221,823.02 : x
  2. Step 2: Convert to fraction form
    28,026,846.10/42,020,092.86 = 17,221,823.02/x
  3. Step 3: Cross multiply
    28,026,846.10x = 42,020,092.86 × 17,221,823.02
  4. Step 4: Simplify right side
    28,026,846.10x = 723,662,602,518,885.62
  5. Step 5: Solve for x
    x = 723,662,602,518,885.62/28,026,846.10
  6. Step 6: Final answer
    x = 25,820,336.68

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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.