Home / 12,651,444.60-18,977,166.90-5,828,004.60

Finding the Fourth Proportional to 12,651,444.60, 18,977,166.90 and 5,828,004.60

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Solution

The fourth proportional to 12,651,444.60, 18,977,166.90 and 5,828,004.60 is: 8,742,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,444.60 : 18,977,166.90 = 5,828,004.60 : x
  2. Step 2: Convert to fraction form
    12,651,444.60/18,977,166.90 = 5,828,004.60/x
  3. Step 3: Cross multiply
    12,651,444.60x = 18,977,166.90 × 5,828,004.60
  4. Step 4: Simplify right side
    12,651,444.60x = 110,599,015,988,167.72
  5. Step 5: Solve for x
    x = 110,599,015,988,167.72/12,651,444.60
  6. Step 6: Final answer
    x = 8,742,006.90

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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.