Home / 15,830,428.80-23,745,643.20-8,256,410.40

Finding the Fourth Proportional to 15,830,428.80, 23,745,643.20 and 8,256,410.40

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Solution

The fourth proportional to 15,830,428.80, 23,745,643.20 and 8,256,410.40 is: 12,384,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830,428.80 : 23,745,643.20 = 8,256,410.40 : x
  2. Step 2: Convert to fraction form
    15,830,428.80/23,745,643.20 = 8,256,410.40/x
  3. Step 3: Cross multiply
    15,830,428.80x = 23,745,643.20 × 8,256,410.40
  4. Step 4: Simplify right side
    15,830,428.80x = 196,053,775,471,169.28
  5. Step 5: Solve for x
    x = 196,053,775,471,169.28/15,830,428.80
  6. Step 6: Final answer
    x = 12,384,615.60

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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.