Home / 9,966,587.70-14,949,881.55-5,661,915.60

Finding the Fourth Proportional to 9,966,587.70, 14,949,881.55 and 5,661,915.60

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Solution

The fourth proportional to 9,966,587.70, 14,949,881.55 and 5,661,915.60 is: 8,492,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,587.70 : 14,949,881.55 = 5,661,915.60 : x
  2. Step 2: Convert to fraction form
    9,966,587.70/14,949,881.55 = 5,661,915.60/x
  3. Step 3: Cross multiply
    9,966,587.70x = 14,949,881.55 × 5,661,915.60
  4. Step 4: Simplify right side
    9,966,587.70x = 84,644,967,566,097.17
  5. Step 5: Solve for x
    x = 84,644,967,566,097.17/9,966,587.70
  6. Step 6: Final answer
    x = 8,492,873.40

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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.