Home / 14,421,947.21-19,902,291.63-7,895,991.15

Finding the Fourth Proportional to 14,421,947.21, 19,902,291.63 and 7,895,991.15

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Solution

The fourth proportional to 14,421,947.21, 19,902,291.63 and 7,895,991.15 is: 10,896,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,947.21 : 19,902,291.63 = 7,895,991.15 : x
  2. Step 2: Convert to fraction form
    14,421,947.21/19,902,291.63 = 7,895,991.15/x
  3. Step 3: Cross multiply
    14,421,947.21x = 19,902,291.63 × 7,895,991.15
  4. Step 4: Simplify right side
    14,421,947.21x = 157,148,318,575,199.06
  5. Step 5: Solve for x
    x = 157,148,318,575,199.06/14,421,947.21
  6. Step 6: Final answer
    x = 10,896,470.24

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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.