Home / 8,403,285.40-12,575,897.70-5,039,906.20

Finding the Fourth Proportional to 8,403,285.40, 12,575,897.70 and 5,039,906.20

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Solution

The fourth proportional to 8,403,285.40, 12,575,897.70 and 5,039,906.20 is: 7,542,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,285.40 : 12,575,897.70 = 5,039,906.20 : x
  2. Step 2: Convert to fraction form
    8,403,285.40/12,575,897.70 = 5,039,906.20/x
  3. Step 3: Cross multiply
    8,403,285.40x = 12,575,897.70 × 5,039,906.20
  4. Step 4: Simplify right side
    8,403,285.40x = 63,381,344,788,795.74
  5. Step 5: Solve for x
    x = 63,381,344,788,795.74/8,403,285.40
  6. Step 6: Final answer
    x = 7,542,448.19

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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.