Home / 19,438,502.55-29,162,102.87-7,308,071.02

Finding the Fourth Proportional to 19,438,502.55, 29,162,102.87 and 7,308,071.02

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Solution

The fourth proportional to 19,438,502.55, 29,162,102.87 and 7,308,071.02 is: 10,963,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438,502.55 : 29,162,102.87 = 7,308,071.02 : x
  2. Step 2: Convert to fraction form
    19,438,502.55/29,162,102.87 = 7,308,071.02/x
  3. Step 3: Cross multiply
    19,438,502.55x = 29,162,102.87 × 7,308,071.02
  4. Step 4: Simplify right side
    19,438,502.55x = 213,118,718,866,505.81
  5. Step 5: Solve for x
    x = 213,118,718,866,505.81/19,438,502.55
  6. Step 6: Final answer
    x = 10,963,741.59

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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.