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Finding the Fourth Proportional to 22,798,984.16, 31,461,988.68 and 13,009,250.48

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Solution

The fourth proportional to 22,798,984.16, 31,461,988.68 and 13,009,250.48 is: 17,952,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798,984.16 : 31,461,988.68 = 13,009,250.48 : x
  2. Step 2: Convert to fraction form
    22,798,984.16/31,461,988.68 = 13,009,250.48/x
  3. Step 3: Cross multiply
    22,798,984.16x = 31,461,988.68 × 13,009,250.48
  4. Step 4: Simplify right side
    22,798,984.16x = 409,296,891,337,044.56
  5. Step 5: Solve for x
    x = 409,296,891,337,044.56/22,798,984.16
  6. Step 6: Final answer
    x = 17,952,417.90

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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.