Home / 21,718,330.66-29,960,210.37-13,869,592.66

Finding the Fourth Proportional to 21,718,330.66, 29,960,210.37 and 13,869,592.66

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Solution

The fourth proportional to 21,718,330.66, 29,960,210.37 and 13,869,592.66 is: 19,132,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718,330.66 : 29,960,210.37 = 13,869,592.66 : x
  2. Step 2: Convert to fraction form
    21,718,330.66/29,960,210.37 = 13,869,592.66/x
  3. Step 3: Cross multiply
    21,718,330.66x = 29,960,210.37 × 13,869,592.66
  4. Step 4: Simplify right side
    21,718,330.66x = 415,535,913,839,807.88
  5. Step 5: Solve for x
    x = 415,535,913,839,807.88/21,718,330.66
  6. Step 6: Final answer
    x = 19,132,958.25

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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.