Home / 42,343,840.18-63,521,009.07-12,054,065.14

Finding the Fourth Proportional to 42,343,840.18, 63,521,009.07 and 12,054,065.14

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Solution

The fourth proportional to 42,343,840.18, 63,521,009.07 and 12,054,065.14 is: 18,082,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343,840.18 : 63,521,009.07 = 12,054,065.14 : x
  2. Step 2: Convert to fraction form
    42,343,840.18/63,521,009.07 = 12,054,065.14/x
  3. Step 3: Cross multiply
    42,343,840.18x = 63,521,009.07 × 12,054,065.14
  4. Step 4: Simplify right side
    42,343,840.18x = 765,686,381,088,310.88
  5. Step 5: Solve for x
    x = 765,686,381,088,310.88/42,343,840.18
  6. Step 6: Final answer
    x = 18,082,591.89

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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.