Home / 15,977,121.10-23,965,681.65-13,426,204.30

Finding the Fourth Proportional to 15,977,121.10, 23,965,681.65 and 13,426,204.30

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Solution

The fourth proportional to 15,977,121.10, 23,965,681.65 and 13,426,204.30 is: 20,139,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,121.10 : 23,965,681.65 = 13,426,204.30 : x
  2. Step 2: Convert to fraction form
    15,977,121.10/23,965,681.65 = 13,426,204.30/x
  3. Step 3: Cross multiply
    15,977,121.10x = 23,965,681.65 × 13,426,204.30
  4. Step 4: Simplify right side
    15,977,121.10x = 321,768,138,021,661.06
  5. Step 5: Solve for x
    x = 321,768,138,021,661.06/15,977,121.10
  6. Step 6: Final answer
    x = 20,139,306.45

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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.