Home / 12,051,654.08-18,142,636.08-10,979,060.16

Finding the Fourth Proportional to 12,051,654.08, 18,142,636.08 and 10,979,060.16

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Solution

The fourth proportional to 12,051,654.08, 18,142,636.08 and 10,979,060.16 is: 16,527,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,654.08 : 18,142,636.08 = 10,979,060.16 : x
  2. Step 2: Convert to fraction form
    12,051,654.08/18,142,636.08 = 10,979,060.16/x
  3. Step 3: Cross multiply
    12,051,654.08x = 18,142,636.08 × 10,979,060.16
  4. Step 4: Simplify right side
    12,051,654.08x = 199,189,092,983,306.56
  5. Step 5: Solve for x
    x = 199,189,092,983,306.56/12,051,654.08
  6. Step 6: Final answer
    x = 16,527,946.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.