Home / 18,017,115.04-27,030,281.15-5,237,619.74

Finding the Fourth Proportional to 18,017,115.04, 27,030,281.15 and 5,237,619.74

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Solution

The fourth proportional to 18,017,115.04, 27,030,281.15 and 5,237,619.74 is: 7,857,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,115.04 : 27,030,281.15 = 5,237,619.74 : x
  2. Step 2: Convert to fraction form
    18,017,115.04/27,030,281.15 = 5,237,619.74/x
  3. Step 3: Cross multiply
    18,017,115.04x = 27,030,281.15 × 5,237,619.74
  4. Step 4: Simplify right side
    18,017,115.04x = 141,574,334,102,801.81
  5. Step 5: Solve for x
    x = 141,574,334,102,801.81/18,017,115.04
  6. Step 6: Final answer
    x = 7,857,769.34

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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.