Home / 12,126,031.90-18,162,475.80-10,779,714.70

Finding the Fourth Proportional to 12,126,031.90, 18,162,475.80 and 10,779,714.70

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Solution

The fourth proportional to 12,126,031.90, 18,162,475.80 and 10,779,714.70 is: 16,145,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,031.90 : 18,162,475.80 = 10,779,714.70 : x
  2. Step 2: Convert to fraction form
    12,126,031.90/18,162,475.80 = 10,779,714.70/x
  3. Step 3: Cross multiply
    12,126,031.90x = 18,162,475.80 × 10,779,714.70
  4. Step 4: Simplify right side
    12,126,031.90x = 195,786,307,369,654.25
  5. Step 5: Solve for x
    x = 195,786,307,369,654.25/12,126,031.90
  6. Step 6: Final answer
    x = 16,145,950.22

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1.5x scale

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.