Home / 18,437,717.40-27,656,576.10-9,828,373.20

Finding the Fourth Proportional to 18,437,717.40, 27,656,576.10 and 9,828,373.20

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Solution

The fourth proportional to 18,437,717.40, 27,656,576.10 and 9,828,373.20 is: 14,742,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437,717.40 : 27,656,576.10 = 9,828,373.20 : x
  2. Step 2: Convert to fraction form
    18,437,717.40/27,656,576.10 = 9,828,373.20/x
  3. Step 3: Cross multiply
    18,437,717.40x = 27,656,576.10 × 9,828,373.20
  4. Step 4: Simplify right side
    18,437,717.40x = 271,819,151,345,000.50
  5. Step 5: Solve for x
    x = 271,819,151,345,000.50/18,437,717.40
  6. Step 6: Final answer
    x = 14,742,559.80

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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.