Home / 15,533,089.20-21,435,762.60-8,658,007.20

Finding the Fourth Proportional to 15,533,089.20, 21,435,762.60 and 8,658,007.20

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Solution

The fourth proportional to 15,533,089.20, 21,435,762.60 and 8,658,007.20 is: 11,948,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,089.20 : 21,435,762.60 = 8,658,007.20 : x
  2. Step 2: Convert to fraction form
    15,533,089.20/21,435,762.60 = 8,658,007.20/x
  3. Step 3: Cross multiply
    15,533,089.20x = 21,435,762.60 × 8,658,007.20
  4. Step 4: Simplify right side
    15,533,089.20x = 185,590,986,928,290.72
  5. Step 5: Solve for x
    x = 185,590,986,928,290.72/15,533,089.20
  6. Step 6: Final answer
    x = 11,948,105.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.