Home / 18,929,547.35-26,122,156.34-11,963,963.28

Finding the Fourth Proportional to 18,929,547.35, 26,122,156.34 and 11,963,963.28

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Solution

The fourth proportional to 18,929,547.35, 26,122,156.34 and 11,963,963.28 is: 16,509,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,547.35 : 26,122,156.34 = 11,963,963.28 : x
  2. Step 2: Convert to fraction form
    18,929,547.35/26,122,156.34 = 11,963,963.28/x
  3. Step 3: Cross multiply
    18,929,547.35x = 26,122,156.34 × 11,963,963.28
  4. Step 4: Simplify right side
    18,929,547.35x = 312,524,519,246,179.19
  5. Step 5: Solve for x
    x = 312,524,519,246,179.19/18,929,547.35
  6. Step 6: Final answer
    x = 16,509,878.10

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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.