Home / 30,072,523.77-45,127,761.35-12,800,697.08

Finding the Fourth Proportional to 30,072,523.77, 45,127,761.35 and 12,800,697.08

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Solution

The fourth proportional to 30,072,523.77, 45,127,761.35 and 12,800,697.08 is: 19,209,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072,523.77 : 45,127,761.35 = 12,800,697.08 : x
  2. Step 2: Convert to fraction form
    30,072,523.77/45,127,761.35 = 12,800,697.08/x
  3. Step 3: Cross multiply
    30,072,523.77x = 45,127,761.35 × 12,800,697.08
  4. Step 4: Simplify right side
    30,072,523.77x = 577,666,802,746,244.75
  5. Step 5: Solve for x
    x = 577,666,802,746,244.75/30,072,523.77
  6. Step 6: Final answer
    x = 19,209,122.82

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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.