Home / 14,188,005.40-21,282,008.10-8,519,301.40

Finding the Fourth Proportional to 14,188,005.40, 21,282,008.10 and 8,519,301.40

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Solution

The fourth proportional to 14,188,005.40, 21,282,008.10 and 8,519,301.40 is: 12,778,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,005.40 : 21,282,008.10 = 8,519,301.40 : x
  2. Step 2: Convert to fraction form
    14,188,005.40/21,282,008.10 = 8,519,301.40/x
  3. Step 3: Cross multiply
    14,188,005.40x = 21,282,008.10 × 8,519,301.40
  4. Step 4: Simplify right side
    14,188,005.40x = 181,307,841,401,141.38
  5. Step 5: Solve for x
    x = 181,307,841,401,141.38/14,188,005.40
  6. Step 6: Final answer
    x = 12,778,952.10

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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.