Home / 12,773,079.70-19,159,619.55-8,742,001.30

Finding the Fourth Proportional to 12,773,079.70, 19,159,619.55 and 8,742,001.30

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Solution

The fourth proportional to 12,773,079.70, 19,159,619.55 and 8,742,001.30 is: 13,113,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,079.70 : 19,159,619.55 = 8,742,001.30 : x
  2. Step 2: Convert to fraction form
    12,773,079.70/19,159,619.55 = 8,742,001.30/x
  3. Step 3: Cross multiply
    12,773,079.70x = 19,159,619.55 × 8,742,001.30
  4. Step 4: Simplify right side
    12,773,079.70x = 167,493,419,013,605.44
  5. Step 5: Solve for x
    x = 167,493,419,013,605.44/12,773,079.70
  6. Step 6: Final answer
    x = 13,113,001.95

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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.