Home / 49,209,785.40-73,814,678.10-12,818,105.40

Finding the Fourth Proportional to 49,209,785.40, 73,814,678.10 and 12,818,105.40

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Solution

The fourth proportional to 49,209,785.40, 73,814,678.10 and 12,818,105.40 is: 19,227,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,785.40 : 73,814,678.10 = 12,818,105.40 : x
  2. Step 2: Convert to fraction form
    49,209,785.40/73,814,678.10 = 12,818,105.40/x
  3. Step 3: Cross multiply
    49,209,785.40x = 73,814,678.10 × 12,818,105.40
  4. Step 4: Simplify right side
    49,209,785.40x = 946,164,323,952,871.75
  5. Step 5: Solve for x
    x = 946,164,323,952,871.75/49,209,785.40
  6. Step 6: Final answer
    x = 19,227,158.10

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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.