Home / 19,300,742.02-28,956,716.33-7,780,263.90

Finding the Fourth Proportional to 19,300,742.02, 28,956,716.33 and 7,780,263.90

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Solution

The fourth proportional to 19,300,742.02, 28,956,716.33 and 7,780,263.90 is: 11,672,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300,742.02 : 28,956,716.33 = 7,780,263.90 : x
  2. Step 2: Convert to fraction form
    19,300,742.02/28,956,716.33 = 7,780,263.90/x
  3. Step 3: Cross multiply
    19,300,742.02x = 28,956,716.33 × 7,780,263.90
  4. Step 4: Simplify right side
    19,300,742.02x = 225,290,894,724,839.47
  5. Step 5: Solve for x
    x = 225,290,894,724,839.47/19,300,742.02
  6. Step 6: Final answer
    x = 11,672,654.58

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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.