Home / 31,078,115.40-46,621,427.49-10,602,337.47

Finding the Fourth Proportional to 31,078,115.40, 46,621,427.49 and 10,602,337.47

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Solution

The fourth proportional to 31,078,115.40, 46,621,427.49 and 10,602,337.47 is: 15,904,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078,115.40 : 46,621,427.49 = 10,602,337.47 : x
  2. Step 2: Convert to fraction form
    31,078,115.40/46,621,427.49 = 10,602,337.47/x
  3. Step 3: Cross multiply
    31,078,115.40x = 46,621,427.49 × 10,602,337.47
  4. Step 4: Simplify right side
    31,078,115.40x = 494,296,107,582,115.12
  5. Step 5: Solve for x
    x = 494,296,107,582,115.12/31,078,115.40
  6. Step 6: Final answer
    x = 15,904,957.60

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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.