Home / 18,338,875.41-25,308,217.32-10,078,787.40

Finding the Fourth Proportional to 18,338,875.41, 25,308,217.32 and 10,078,787.40

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Solution

The fourth proportional to 18,338,875.41, 25,308,217.32 and 10,078,787.40 is: 13,909,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,875.41 : 25,308,217.32 = 10,078,787.40 : x
  2. Step 2: Convert to fraction form
    18,338,875.41/25,308,217.32 = 10,078,787.40/x
  3. Step 3: Cross multiply
    18,338,875.41x = 25,308,217.32 × 10,078,787.40
  4. Step 4: Simplify right side
    18,338,875.41x = 255,076,141,841,277.78
  5. Step 5: Solve for x
    x = 255,076,141,841,277.78/18,338,875.41
  6. Step 6: Final answer
    x = 13,909,039.47

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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.