Home / 14,772,087.12-20,385,402.36-8,578,656.90

Finding the Fourth Proportional to 14,772,087.12, 20,385,402.36 and 8,578,656.90

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Solution

The fourth proportional to 14,772,087.12, 20,385,402.36 and 8,578,656.90 is: 11,838,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772,087.12 : 20,385,402.36 = 8,578,656.90 : x
  2. Step 2: Convert to fraction form
    14,772,087.12/20,385,402.36 = 8,578,656.90/x
  3. Step 3: Cross multiply
    14,772,087.12x = 20,385,402.36 × 8,578,656.90
  4. Step 4: Simplify right side
    14,772,087.12x = 174,879,372,614,890.28
  5. Step 5: Solve for x
    x = 174,879,372,614,890.28/14,772,087.12
  6. Step 6: Final answer
    x = 11,838,501.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.