Home / 14,365,624.34-19,824,980.45-7,839,674.18

Finding the Fourth Proportional to 14,365,624.34, 19,824,980.45 and 7,839,674.18

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Solution

The fourth proportional to 14,365,624.34, 19,824,980.45 and 7,839,674.18 is: 10,818,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,624.34 : 19,824,980.45 = 7,839,674.18 : x
  2. Step 2: Convert to fraction form
    14,365,624.34/19,824,980.45 = 7,839,674.18/x
  3. Step 3: Cross multiply
    14,365,624.34x = 19,824,980.45 × 7,839,674.18
  4. Step 4: Simplify right side
    14,365,624.34x = 155,421,387,214,546.50
  5. Step 5: Solve for x
    x = 155,421,387,214,546.50/14,365,624.34
  6. Step 6: Final answer
    x = 10,818,978.95

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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.