Home / 12,742,036-17,583,512.40-7,788,770.08

Finding the Fourth Proportional to 12,742,036, 17,583,512.40 and 7,788,770.08

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Solution

The fourth proportional to 12,742,036, 17,583,512.40 and 7,788,770.08 is: 10,748,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,036 : 17,583,512.40 = 7,788,770.08 : x
  2. Step 2: Convert to fraction form
    12,742,036/17,583,512.40 = 7,788,770.08/x
  3. Step 3: Cross multiply
    12,742,036x = 17,583,512.40 × 7,788,770.08
  4. Step 4: Simplify right side
    12,742,036x = 136,953,935,282,428.98
  5. Step 5: Solve for x
    x = 136,953,935,282,428.98/12,742,036
  6. Step 6: Final answer
    x = 10,748,198.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.