Home / 28,909,861.91-39,904,542.93-18,596,585.01

Finding the Fourth Proportional to 28,909,861.91, 39,904,542.93 and 18,596,585.01

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Solution

The fourth proportional to 28,909,861.91, 39,904,542.93 and 18,596,585.01 is: 25,669,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,861.91 : 39,904,542.93 = 18,596,585.01 : x
  2. Step 2: Convert to fraction form
    28,909,861.91/39,904,542.93 = 18,596,585.01/x
  3. Step 3: Cross multiply
    28,909,861.91x = 39,904,542.93 × 18,596,585.01
  4. Step 4: Simplify right side
    28,909,861.91x = 742,088,224,590,433.75
  5. Step 5: Solve for x
    x = 742,088,224,590,433.75/28,909,861.91
  6. Step 6: Final answer
    x = 25,669,033.87

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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.