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Finding the Fourth Proportional to 18,937,894.26, 28,411,051.23 and 8,835,004.02

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Solution

The fourth proportional to 18,937,894.26, 28,411,051.23 and 8,835,004.02 is: 13,254,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937,894.26 : 28,411,051.23 = 8,835,004.02 : x
  2. Step 2: Convert to fraction form
    18,937,894.26/28,411,051.23 = 8,835,004.02/x
  3. Step 3: Cross multiply
    18,937,894.26x = 28,411,051.23 × 8,835,004.02
  4. Step 4: Simplify right side
    18,937,894.26x = 251,011,751,829,475.94
  5. Step 5: Solve for x
    x = 251,011,751,829,475.94/18,937,894.26
  6. Step 6: Final answer
    x = 13,254,470.03

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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.