Home / 18,717,641.70-28,076,462.55-12,671,024.10

Finding the Fourth Proportional to 18,717,641.70, 28,076,462.55 and 12,671,024.10

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Solution

The fourth proportional to 18,717,641.70, 28,076,462.55 and 12,671,024.10 is: 19,006,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,641.70 : 28,076,462.55 = 12,671,024.10 : x
  2. Step 2: Convert to fraction form
    18,717,641.70/28,076,462.55 = 12,671,024.10/x
  3. Step 3: Cross multiply
    18,717,641.70x = 28,076,462.55 × 12,671,024.10
  4. Step 4: Simplify right side
    18,717,641.70x = 355,757,533,613,797.44
  5. Step 5: Solve for x
    x = 355,757,533,613,797.44/18,717,641.70
  6. Step 6: Final answer
    x = 19,006,536.15

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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.