Home / 20,854,307.70-31,281,461.55-20,004,002.10

Finding the Fourth Proportional to 20,854,307.70, 31,281,461.55 and 20,004,002.10

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Solution

The fourth proportional to 20,854,307.70, 31,281,461.55 and 20,004,002.10 is: 30,006,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,307.70 : 31,281,461.55 = 20,004,002.10 : x
  2. Step 2: Convert to fraction form
    20,854,307.70/31,281,461.55 = 20,004,002.10/x
  3. Step 3: Cross multiply
    20,854,307.70x = 31,281,461.55 × 20,004,002.10
  4. Step 4: Simplify right side
    20,854,307.70x = 625,754,422,537,269.38
  5. Step 5: Solve for x
    x = 625,754,422,537,269.38/20,854,307.70
  6. Step 6: Final answer
    x = 30,006,003.15

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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.