Home / 12,452,605.40-18,678,908.10-10,772,989.40

Finding the Fourth Proportional to 12,452,605.40, 18,678,908.10 and 10,772,989.40

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Solution

The fourth proportional to 12,452,605.40, 18,678,908.10 and 10,772,989.40 is: 16,159,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,605.40 : 18,678,908.10 = 10,772,989.40 : x
  2. Step 2: Convert to fraction form
    12,452,605.40/18,678,908.10 = 10,772,989.40/x
  3. Step 3: Cross multiply
    12,452,605.40x = 18,678,908.10 × 10,772,989.40
  4. Step 4: Simplify right side
    12,452,605.40x = 201,227,678,964,874.16
  5. Step 5: Solve for x
    x = 201,227,678,964,874.16/12,452,605.40
  6. Step 6: Final answer
    x = 16,159,484.10

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Similar ratio
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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.