Home / 10,215,069.60-14,097,430.80-5,631,382.56

Finding the Fourth Proportional to 10,215,069.60, 14,097,430.80 and 5,631,382.56

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Solution

The fourth proportional to 10,215,069.60, 14,097,430.80 and 5,631,382.56 is: 7,771,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,069.60 : 14,097,430.80 = 5,631,382.56 : x
  2. Step 2: Convert to fraction form
    10,215,069.60/14,097,430.80 = 5,631,382.56/x
  3. Step 3: Cross multiply
    10,215,069.60x = 14,097,430.80 × 5,631,382.56
  4. Step 4: Simplify right side
    10,215,069.60x = 79,388,025,947,926.84
  5. Step 5: Solve for x
    x = 79,388,025,947,926.84/10,215,069.60
  6. Step 6: Final answer
    x = 7,771,657.86

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1.5x scale

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.