Home / 39,018,147.18-58,528,548.12-18,537,296.76

Finding the Fourth Proportional to 39,018,147.18, 58,528,548.12 and 18,537,296.76

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Solution

The fourth proportional to 39,018,147.18, 58,528,548.12 and 18,537,296.76 is: 27,806,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018,147.18 : 58,528,548.12 = 18,537,296.76 : x
  2. Step 2: Convert to fraction form
    39,018,147.18/58,528,548.12 = 18,537,296.76/x
  3. Step 3: Cross multiply
    39,018,147.18x = 58,528,548.12 × 18,537,296.76
  4. Step 4: Simplify right side
    39,018,147.18x = 1,084,961,065,432,380.12
  5. Step 5: Solve for x
    x = 1,084,961,065,432,380.12/39,018,147.18
  6. Step 6: Final answer
    x = 27,806,575.76

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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.