Home / 28,720,855.40-43,081,283.10-8,526,097.40

Finding the Fourth Proportional to 28,720,855.40, 43,081,283.10 and 8,526,097.40

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Solution

The fourth proportional to 28,720,855.40, 43,081,283.10 and 8,526,097.40 is: 12,789,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720,855.40 : 43,081,283.10 = 8,526,097.40 : x
  2. Step 2: Convert to fraction form
    28,720,855.40/43,081,283.10 = 8,526,097.40/x
  3. Step 3: Cross multiply
    28,720,855.40x = 43,081,283.10 × 8,526,097.40
  4. Step 4: Simplify right side
    28,720,855.40x = 367,315,215,827,574
  5. Step 5: Solve for x
    x = 367,315,215,827,574/28,720,855.40
  6. Step 6: Final answer
    x = 12,789,146.10

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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.