Home / 27,483,445.20-41,225,167.80-21,125,787.60

Finding the Fourth Proportional to 27,483,445.20, 41,225,167.80 and 21,125,787.60

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Solution

The fourth proportional to 27,483,445.20, 41,225,167.80 and 21,125,787.60 is: 31,688,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,445.20 : 41,225,167.80 = 21,125,787.60 : x
  2. Step 2: Convert to fraction form
    27,483,445.20/41,225,167.80 = 21,125,787.60/x
  3. Step 3: Cross multiply
    27,483,445.20x = 41,225,167.80 × 21,125,787.60
  4. Step 4: Simplify right side
    27,483,445.20x = 870,914,138,717,159.25
  5. Step 5: Solve for x
    x = 870,914,138,717,159.25/27,483,445.20
  6. Step 6: Final answer
    x = 31,688,681.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.