Home / 21,133,025.70-31,699,538.55-7,668,104.10

Finding the Fourth Proportional to 21,133,025.70, 31,699,538.55 and 7,668,104.10

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Solution

The fourth proportional to 21,133,025.70, 31,699,538.55 and 7,668,104.10 is: 11,502,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133,025.70 : 31,699,538.55 = 7,668,104.10 : x
  2. Step 2: Convert to fraction form
    21,133,025.70/31,699,538.55 = 7,668,104.10/x
  3. Step 3: Cross multiply
    21,133,025.70x = 31,699,538.55 × 7,668,104.10
  4. Step 4: Simplify right side
    21,133,025.70x = 243,075,361,523,363.06
  5. Step 5: Solve for x
    x = 243,075,361,523,363.06/21,133,025.70
  6. Step 6: Final answer
    x = 11,502,156.15

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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.