Home / 31,460,681.10-47,191,021.65-9,901,891.20

Finding the Fourth Proportional to 31,460,681.10, 47,191,021.65 and 9,901,891.20

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Solution

The fourth proportional to 31,460,681.10, 47,191,021.65 and 9,901,891.20 is: 14,852,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460,681.10 : 47,191,021.65 = 9,901,891.20 : x
  2. Step 2: Convert to fraction form
    31,460,681.10/47,191,021.65 = 9,901,891.20/x
  3. Step 3: Cross multiply
    31,460,681.10x = 47,191,021.65 × 9,901,891.20
  4. Step 4: Simplify right side
    31,460,681.10x = 467,280,361,995,144.44
  5. Step 5: Solve for x
    x = 467,280,361,995,144.44/31,460,681.10
  6. Step 6: Final answer
    x = 14,852,836.80

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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.