Home / 19,542,431.40-29,313,647.10-8,748,274.20

Finding the Fourth Proportional to 19,542,431.40, 29,313,647.10 and 8,748,274.20

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Solution

The fourth proportional to 19,542,431.40, 29,313,647.10 and 8,748,274.20 is: 13,122,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,431.40 : 29,313,647.10 = 8,748,274.20 : x
  2. Step 2: Convert to fraction form
    19,542,431.40/29,313,647.10 = 8,748,274.20/x
  3. Step 3: Cross multiply
    19,542,431.40x = 29,313,647.10 × 8,748,274.20
  4. Step 4: Simplify right side
    19,542,431.40x = 256,443,822,632,834.81
  5. Step 5: Solve for x
    x = 256,443,822,632,834.81/19,542,431.40
  6. Step 6: Final answer
    x = 13,122,411.30

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1.5x scale

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.