Home / 18,158,146.16-25,060,511.96-10,425,612.40

Finding the Fourth Proportional to 18,158,146.16, 25,060,511.96 and 10,425,612.40

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Solution

The fourth proportional to 18,158,146.16, 25,060,511.96 and 10,425,612.40 is: 14,388,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,146.16 : 25,060,511.96 = 10,425,612.40 : x
  2. Step 2: Convert to fraction form
    18,158,146.16/25,060,511.96 = 10,425,612.40/x
  3. Step 3: Cross multiply
    18,158,146.16x = 25,060,511.96 × 10,425,612.40
  4. Step 4: Simplify right side
    18,158,146.16x = 261,271,184,240,524.31
  5. Step 5: Solve for x
    x = 261,271,184,240,524.31/18,158,146.16
  6. Step 6: Final answer
    x = 14,388,648.60

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1.5x scale

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.