Home / 8,663,290.22-11,955,481.47-4,742,980.17

Finding the Fourth Proportional to 8,663,290.22, 11,955,481.47 and 4,742,980.17

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Solution

The fourth proportional to 8,663,290.22, 11,955,481.47 and 4,742,980.17 is: 6,545,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,290.22 : 11,955,481.47 = 4,742,980.17 : x
  2. Step 2: Convert to fraction form
    8,663,290.22/11,955,481.47 = 4,742,980.17/x
  3. Step 3: Cross multiply
    8,663,290.22x = 11,955,481.47 × 4,742,980.17
  4. Step 4: Simplify right side
    8,663,290.22x = 56,704,611,535,012.45
  5. Step 5: Solve for x
    x = 56,704,611,535,012.45/8,663,290.22
  6. Step 6: Final answer
    x = 6,545,389.81

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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.