Home / 9,578,058.80-14,367,088.20-7,877,447.60

Finding the Fourth Proportional to 9,578,058.80, 14,367,088.20 and 7,877,447.60

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Solution

The fourth proportional to 9,578,058.80, 14,367,088.20 and 7,877,447.60 is: 11,816,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578,058.80 : 14,367,088.20 = 7,877,447.60 : x
  2. Step 2: Convert to fraction form
    9,578,058.80/14,367,088.20 = 7,877,447.60/x
  3. Step 3: Cross multiply
    9,578,058.80x = 14,367,088.20 × 7,877,447.60
  4. Step 4: Simplify right side
    9,578,058.80x = 113,175,984,460,078.31
  5. Step 5: Solve for x
    x = 113,175,984,460,078.31/9,578,058.80
  6. Step 6: Final answer
    x = 11,816,171.40

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Similar ratio
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1.5x scale

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.