Home / 13,269,201.40-19,896,666.84-7,806,184.76

Finding the Fourth Proportional to 13,269,201.40, 19,896,666.84 and 7,806,184.76

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Solution

The fourth proportional to 13,269,201.40, 19,896,666.84 and 7,806,184.76 is: 11,705,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,201.40 : 19,896,666.84 = 7,806,184.76 : x
  2. Step 2: Convert to fraction form
    13,269,201.40/19,896,666.84 = 7,806,184.76/x
  3. Step 3: Cross multiply
    13,269,201.40x = 19,896,666.84 × 7,806,184.76
  4. Step 4: Simplify right side
    13,269,201.40x = 155,317,057,461,205.34
  5. Step 5: Solve for x
    x = 155,317,057,461,205.34/13,269,201.40
  6. Step 6: Final answer
    x = 11,705,079.51

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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.