Home / 31,559,153.80-47,338,730.70-25,885,784.20

Finding the Fourth Proportional to 31,559,153.80, 47,338,730.70 and 25,885,784.20

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Solution

The fourth proportional to 31,559,153.80, 47,338,730.70 and 25,885,784.20 is: 38,828,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559,153.80 : 47,338,730.70 = 25,885,784.20 : x
  2. Step 2: Convert to fraction form
    31,559,153.80/47,338,730.70 = 25,885,784.20/x
  3. Step 3: Cross multiply
    31,559,153.80x = 47,338,730.70 × 25,885,784.20
  4. Step 4: Simplify right side
    31,559,153.80x = 1,225,400,167,202,115
  5. Step 5: Solve for x
    x = 1,225,400,167,202,115/31,559,153.80
  6. Step 6: Final answer
    x = 38,828,676.30

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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.