Home / 19,916,913.60-27,487,959.93-11,216,787.03

Finding the Fourth Proportional to 19,916,913.60, 27,487,959.93 and 11,216,787.03

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Solution

The fourth proportional to 19,916,913.60, 27,487,959.93 and 11,216,787.03 is: 15,480,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916,913.60 : 27,487,959.93 = 11,216,787.03 : x
  2. Step 2: Convert to fraction form
    19,916,913.60/27,487,959.93 = 11,216,787.03/x
  3. Step 3: Cross multiply
    19,916,913.60x = 27,487,959.93 × 11,216,787.03
  4. Step 4: Simplify right side
    19,916,913.60x = 308,326,592,423,983.69
  5. Step 5: Solve for x
    x = 308,326,592,423,983.69/19,916,913.60
  6. Step 6: Final answer
    x = 15,480,641.16

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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.