Home / 28,026,166.20-42,039,249.30-17,208,389.40

Finding the Fourth Proportional to 28,026,166.20, 42,039,249.30 and 17,208,389.40

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Solution

The fourth proportional to 28,026,166.20, 42,039,249.30 and 17,208,389.40 is: 25,812,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,166.20 : 42,039,249.30 = 17,208,389.40 : x
  2. Step 2: Convert to fraction form
    28,026,166.20/42,039,249.30 = 17,208,389.40/x
  3. Step 3: Cross multiply
    28,026,166.20x = 42,039,249.30 × 17,208,389.40
  4. Step 4: Simplify right side
    28,026,166.20x = 723,427,772,038,077.25
  5. Step 5: Solve for x
    x = 723,427,772,038,077.25/28,026,166.20
  6. Step 6: Final answer
    x = 25,812,584.10

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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.