Home / 14,984,158.12-20,678,138.10-8,108,640.16

Finding the Fourth Proportional to 14,984,158.12, 20,678,138.10 and 8,108,640.16

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Solution

The fourth proportional to 14,984,158.12, 20,678,138.10 and 8,108,640.16 is: 11,189,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,158.12 : 20,678,138.10 = 8,108,640.16 : x
  2. Step 2: Convert to fraction form
    14,984,158.12/20,678,138.10 = 8,108,640.16/x
  3. Step 3: Cross multiply
    14,984,158.12x = 20,678,138.10 × 8,108,640.16
  4. Step 4: Simplify right side
    14,984,158.12x = 167,671,581,031,686.12
  5. Step 5: Solve for x
    x = 167,671,581,031,686.12/14,984,158.12
  6. Step 6: Final answer
    x = 11,189,923.36

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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.