Home / 13,112,457.80-19,668,686.70-8,010,624.20

Finding the Fourth Proportional to 13,112,457.80, 19,668,686.70 and 8,010,624.20

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Solution

The fourth proportional to 13,112,457.80, 19,668,686.70 and 8,010,624.20 is: 12,015,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,457.80 : 19,668,686.70 = 8,010,624.20 : x
  2. Step 2: Convert to fraction form
    13,112,457.80/19,668,686.70 = 8,010,624.20/x
  3. Step 3: Cross multiply
    13,112,457.80x = 19,668,686.70 × 8,010,624.20
  4. Step 4: Simplify right side
    13,112,457.80x = 157,558,457,661,238.12
  5. Step 5: Solve for x
    x = 157,558,457,661,238.12/13,112,457.80
  6. Step 6: Final answer
    x = 12,015,936.30

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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.