Home / 15,316,146.84-21,136,725.54-8,441,071.80

Finding the Fourth Proportional to 15,316,146.84, 21,136,725.54 and 8,441,071.80

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Solution

The fourth proportional to 15,316,146.84, 21,136,725.54 and 8,441,071.80 is: 11,648,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,146.84 : 21,136,725.54 = 8,441,071.80 : x
  2. Step 2: Convert to fraction form
    15,316,146.84/21,136,725.54 = 8,441,071.80/x
  3. Step 3: Cross multiply
    15,316,146.84x = 21,136,725.54 × 8,441,071.80
  4. Step 4: Simplify right side
    15,316,146.84x = 178,416,617,900,033.78
  5. Step 5: Solve for x
    x = 178,416,617,900,033.78/15,316,146.84
  6. Step 6: Final answer
    x = 11,648,923.18

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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.