Home / 22,811,455.71-31,478,605.16-13,021,510.59

Finding the Fourth Proportional to 22,811,455.71, 31,478,605.16 and 13,021,510.59

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Solution

The fourth proportional to 22,811,455.71, 31,478,605.16 and 13,021,510.59 is: 17,968,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811,455.71 : 31,478,605.16 = 13,021,510.59 : x
  2. Step 2: Convert to fraction form
    22,811,455.71/31,478,605.16 = 13,021,510.59/x
  3. Step 3: Cross multiply
    22,811,455.71x = 31,478,605.16 × 13,021,510.59
  4. Step 4: Simplify right side
    22,811,455.71x = 409,898,990,384,261.12
  5. Step 5: Solve for x
    x = 409,898,990,384,261.12/22,811,455.71
  6. Step 6: Final answer
    x = 17,968,997.49

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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.