Home / 12,596,701.70-18,895,052.55-5,407,012.10

Finding the Fourth Proportional to 12,596,701.70, 18,895,052.55 and 5,407,012.10

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Solution

The fourth proportional to 12,596,701.70, 18,895,052.55 and 5,407,012.10 is: 8,110,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,701.70 : 18,895,052.55 = 5,407,012.10 : x
  2. Step 2: Convert to fraction form
    12,596,701.70/18,895,052.55 = 5,407,012.10/x
  3. Step 3: Cross multiply
    12,596,701.70x = 18,895,052.55 × 5,407,012.10
  4. Step 4: Simplify right side
    12,596,701.70x = 102,165,777,767,985.86
  5. Step 5: Solve for x
    x = 102,165,777,767,985.86/12,596,701.70
  6. Step 6: Final answer
    x = 8,110,518.15

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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.