Home / 22,701,071.64-31,327,220.76-12,387,970.20

Finding the Fourth Proportional to 22,701,071.64, 31,327,220.76 and 12,387,970.20

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Solution

The fourth proportional to 22,701,071.64, 31,327,220.76 and 12,387,970.20 is: 17,095,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701,071.64 : 31,327,220.76 = 12,387,970.20 : x
  2. Step 2: Convert to fraction form
    22,701,071.64/31,327,220.76 = 12,387,970.20/x
  3. Step 3: Cross multiply
    22,701,071.64x = 31,327,220.76 × 12,387,970.20
  4. Step 4: Simplify right side
    22,701,071.64x = 388,080,677,223,701.38
  5. Step 5: Solve for x
    x = 388,080,677,223,701.38/22,701,071.64
  6. Step 6: Final answer
    x = 17,095,258.03

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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.