Home / 31,068,349.83-42,892,714.08-27,621,069.21

Finding the Fourth Proportional to 31,068,349.83, 42,892,714.08 and 27,621,069.21

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Solution

The fourth proportional to 31,068,349.83, 42,892,714.08 and 27,621,069.21 is: 38,133,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,349.83 : 42,892,714.08 = 27,621,069.21 : x
  2. Step 2: Convert to fraction form
    31,068,349.83/42,892,714.08 = 27,621,069.21/x
  3. Step 3: Cross multiply
    31,068,349.83x = 42,892,714.08 × 27,621,069.21
  4. Step 4: Simplify right side
    31,068,349.83x = 1,184,742,624,208,421.50
  5. Step 5: Solve for x
    x = 1,184,742,624,208,421.50/31,068,349.83
  6. Step 6: Final answer
    x = 38,133,426.16

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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.