Home / 8,907,615.40-13,361,423.10-4,428,639.40

Finding the Fourth Proportional to 8,907,615.40, 13,361,423.10 and 4,428,639.40

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Solution

The fourth proportional to 8,907,615.40, 13,361,423.10 and 4,428,639.40 is: 6,642,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,615.40 : 13,361,423.10 = 4,428,639.40 : x
  2. Step 2: Convert to fraction form
    8,907,615.40/13,361,423.10 = 4,428,639.40/x
  3. Step 3: Cross multiply
    8,907,615.40x = 13,361,423.10 × 4,428,639.40
  4. Step 4: Simplify right side
    8,907,615.40x = 59,172,924,780,730.14
  5. Step 5: Solve for x
    x = 59,172,924,780,730.14/8,907,615.40
  6. Step 6: Final answer
    x = 6,642,959.10

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Similar ratio
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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.