Home / 13,386,297.03-18,466,291.22-8,742,800.31

Finding the Fourth Proportional to 13,386,297.03, 18,466,291.22 and 8,742,800.31

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Solution

The fourth proportional to 13,386,297.03, 18,466,291.22 and 8,742,800.31 is: 12,060,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,297.03 : 18,466,291.22 = 8,742,800.31 : x
  2. Step 2: Convert to fraction form
    13,386,297.03/18,466,291.22 = 8,742,800.31/x
  3. Step 3: Cross multiply
    13,386,297.03x = 18,466,291.22 × 8,742,800.31
  4. Step 4: Simplify right side
    13,386,297.03x = 161,447,096,559,052.28
  5. Step 5: Solve for x
    x = 161,447,096,559,052.28/13,386,297.03
  6. Step 6: Final answer
    x = 12,060,624.10

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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.