Home / 15,316,794.74-21,137,176.86-8,441,276.88

Finding the Fourth Proportional to 15,316,794.74, 21,137,176.86 and 8,441,276.88

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Solution

The fourth proportional to 15,316,794.74, 21,137,176.86 and 8,441,276.88 is: 11,648,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,794.74 : 21,137,176.86 = 8,441,276.88 : x
  2. Step 2: Convert to fraction form
    15,316,794.74/21,137,176.86 = 8,441,276.88/x
  3. Step 3: Cross multiply
    15,316,794.74x = 21,137,176.86 × 8,441,276.88
  4. Step 4: Simplify right side
    15,316,794.74x = 178,424,762,336,789
  5. Step 5: Solve for x
    x = 178,424,762,336,789/15,316,794.74
  6. Step 6: Final answer
    x = 11,648,962.16

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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.