Home / 14,658,018-20,228,088.66-8,131,647.60

Finding the Fourth Proportional to 14,658,018, 20,228,088.66 and 8,131,647.60

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Solution

The fourth proportional to 14,658,018, 20,228,088.66 and 8,131,647.60 is: 11,221,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,018 : 20,228,088.66 = 8,131,647.60 : x
  2. Step 2: Convert to fraction form
    14,658,018/20,228,088.66 = 8,131,647.60/x
  3. Step 3: Cross multiply
    14,658,018x = 20,228,088.66 × 8,131,647.60
  4. Step 4: Simplify right side
    14,658,018x = 164,487,688,604,676.22
  5. Step 5: Solve for x
    x = 164,487,688,604,676.22/14,658,018
  6. Step 6: Final answer
    x = 11,221,686.90

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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.