Home / 18,428,772.51-25,440,913.15-11,461,695.89

Finding the Fourth Proportional to 18,428,772.51, 25,440,913.15 and 11,461,695.89

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Solution

The fourth proportional to 18,428,772.51, 25,440,913.15 and 11,461,695.89 is: 15,822,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,772.51 : 25,440,913.15 = 11,461,695.89 : x
  2. Step 2: Convert to fraction form
    18,428,772.51/25,440,913.15 = 11,461,695.89/x
  3. Step 3: Cross multiply
    18,428,772.51x = 25,440,913.15 × 11,461,695.89
  4. Step 4: Simplify right side
    18,428,772.51x = 291,596,009,533,343.12
  5. Step 5: Solve for x
    x = 291,596,009,533,343.12/18,428,772.51
  6. Step 6: Final answer
    x = 15,822,866.63

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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.