Home / 20,710,166.04-31,069,733.31-7,930,671.30

Finding the Fourth Proportional to 20,710,166.04, 31,069,733.31 and 7,930,671.30

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Solution

The fourth proportional to 20,710,166.04, 31,069,733.31 and 7,930,671.30 is: 11,897,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,166.04 : 31,069,733.31 = 7,930,671.30 : x
  2. Step 2: Convert to fraction form
    20,710,166.04/31,069,733.31 = 7,930,671.30/x
  3. Step 3: Cross multiply
    20,710,166.04x = 31,069,733.31 × 7,930,671.30
  4. Step 4: Simplify right side
    20,710,166.04x = 246,403,842,260,271
  5. Step 5: Solve for x
    x = 246,403,842,260,271/20,710,166.04
  6. Step 6: Final answer
    x = 11,897,724.13

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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.