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Finding the Fourth Proportional to 29,907,638.40, 44,861,457.60 and 25,124,669.40

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Solution

The fourth proportional to 29,907,638.40, 44,861,457.60 and 25,124,669.40 is: 37,687,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907,638.40 : 44,861,457.60 = 25,124,669.40 : x
  2. Step 2: Convert to fraction form
    29,907,638.40/44,861,457.60 = 25,124,669.40/x
  3. Step 3: Cross multiply
    29,907,638.40x = 44,861,457.60 × 25,124,669.40
  4. Step 4: Simplify right side
    29,907,638.40x = 1,127,129,291,002,117.50
  5. Step 5: Solve for x
    x = 1,127,129,291,002,117.50/29,907,638.40
  6. Step 6: Final answer
    x = 37,687,004.10

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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.