Home / 8,860,643.40-13,290,965.10-5,071,009.80

Finding the Fourth Proportional to 8,860,643.40, 13,290,965.10 and 5,071,009.80

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Solution

The fourth proportional to 8,860,643.40, 13,290,965.10 and 5,071,009.80 is: 7,606,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,643.40 : 13,290,965.10 = 5,071,009.80 : x
  2. Step 2: Convert to fraction form
    8,860,643.40/13,290,965.10 = 5,071,009.80/x
  3. Step 3: Cross multiply
    8,860,643.40x = 13,290,965.10 × 5,071,009.80
  4. Step 4: Simplify right side
    8,860,643.40x = 67,398,614,273,557.98
  5. Step 5: Solve for x
    x = 67,398,614,273,557.98/8,860,643.40
  6. Step 6: Final answer
    x = 7,606,514.70

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Double scale
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Similar ratio
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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.