Home / 42,837,721.96-59,164,729.30-28,874,995.40

Finding the Fourth Proportional to 42,837,721.96, 59,164,729.30 and 28,874,995.40

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Solution

The fourth proportional to 42,837,721.96, 59,164,729.30 and 28,874,995.40 is: 39,880,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837,721.96 : 59,164,729.30 = 28,874,995.40 : x
  2. Step 2: Convert to fraction form
    42,837,721.96/59,164,729.30 = 28,874,995.40/x
  3. Step 3: Cross multiply
    42,837,721.96x = 59,164,729.30 × 28,874,995.40
  4. Step 4: Simplify right side
    42,837,721.96x = 1,708,381,286,379,745
  5. Step 5: Solve for x
    x = 1,708,381,286,379,745/42,837,721.96
  6. Step 6: Final answer
    x = 39,880,301.94

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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.