Home / 18,477,702.12-25,499,393.88-10,218,323.28

Finding the Fourth Proportional to 18,477,702.12, 25,499,393.88 and 10,218,323.28

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Solution

The fourth proportional to 18,477,702.12, 25,499,393.88 and 10,218,323.28 is: 14,101,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,702.12 : 25,499,393.88 = 10,218,323.28 : x
  2. Step 2: Convert to fraction form
    18,477,702.12/25,499,393.88 = 10,218,323.28/x
  3. Step 3: Cross multiply
    18,477,702.12x = 25,499,393.88 × 10,218,323.28
  4. Step 4: Simplify right side
    18,477,702.12x = 260,561,050,109,893.50
  5. Step 5: Solve for x
    x = 260,561,050,109,893.50/18,477,702.12
  6. Step 6: Final answer
    x = 14,101,377.35

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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.