Home / 42,024,735.09-63,038,991.96-12,876,439.19

Finding the Fourth Proportional to 42,024,735.09, 63,038,991.96 and 12,876,439.19

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Solution

The fourth proportional to 42,024,735.09, 63,038,991.96 and 12,876,439.19 is: 19,315,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,024,735.09 : 63,038,991.96 = 12,876,439.19 : x
  2. Step 2: Convert to fraction form
    42,024,735.09/63,038,991.96 = 12,876,439.19/x
  3. Step 3: Cross multiply
    42,024,735.09x = 63,038,991.96 × 12,876,439.19
  4. Step 4: Simplify right side
    42,024,735.09x = 811,717,746,256,644
  5. Step 5: Solve for x
    x = 811,717,746,256,644/42,024,735.09
  6. Step 6: Final answer
    x = 19,315,237.67

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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.