Home / 13,118,298.60-18,109,057.01-8,474,347.95

Finding the Fourth Proportional to 13,118,298.60, 18,109,057.01 and 8,474,347.95

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Solution

The fourth proportional to 13,118,298.60, 18,109,057.01 and 8,474,347.95 is: 11,698,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,298.60 : 18,109,057.01 = 8,474,347.95 : x
  2. Step 2: Convert to fraction form
    13,118,298.60/18,109,057.01 = 8,474,347.95/x
  3. Step 3: Cross multiply
    13,118,298.60x = 18,109,057.01 × 8,474,347.95
  4. Step 4: Simplify right side
    13,118,298.60x = 153,462,450,038,845.91
  5. Step 5: Solve for x
    x = 153,462,450,038,845.91/13,118,298.60
  6. Step 6: Final answer
    x = 11,698,350.12

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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.