Home / 22,091,008.78-30,459,506.79-15,125,064.22

Finding the Fourth Proportional to 22,091,008.78, 30,459,506.79 and 15,125,064.22

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Solution

The fourth proportional to 22,091,008.78, 30,459,506.79 and 15,125,064.22 is: 20,854,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091,008.78 : 30,459,506.79 = 15,125,064.22 : x
  2. Step 2: Convert to fraction form
    22,091,008.78/30,459,506.79 = 15,125,064.22/x
  3. Step 3: Cross multiply
    22,091,008.78x = 30,459,506.79 × 15,125,064.22
  4. Step 4: Simplify right side
    22,091,008.78x = 460,701,996,308,276.06
  5. Step 5: Solve for x
    x = 460,701,996,308,276.06/22,091,008.78
  6. Step 6: Final answer
    x = 20,854,728.77

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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.