Home / 18,554,681.60-27,832,022.40-10,977,747.20

Finding the Fourth Proportional to 18,554,681.60, 27,832,022.40 and 10,977,747.20

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Solution

The fourth proportional to 18,554,681.60, 27,832,022.40 and 10,977,747.20 is: 16,466,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554,681.60 : 27,832,022.40 = 10,977,747.20 : x
  2. Step 2: Convert to fraction form
    18,554,681.60/27,832,022.40 = 10,977,747.20/x
  3. Step 3: Cross multiply
    18,554,681.60x = 27,832,022.40 × 10,977,747.20
  4. Step 4: Simplify right side
    18,554,681.60x = 305,532,905,971,937.25
  5. Step 5: Solve for x
    x = 305,532,905,971,937.25/18,554,681.60
  6. Step 6: Final answer
    x = 16,466,620.80

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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.